17.remind me ( take ) my key when i go to work. 18.she has always avoided ( borrow) money. 19.can you ( lend) me some money. i’m broke.
20.i can’t stand (tease) the weak.
21.i refused ( accept) his help.
22.i called mary ( find out) when the match started. 23.she can’t get used to (live) in the city.
24.it’s no use ( phone ) her. she ‘s gone away.
25.her parents will never let her (travel) alone.
26.we were happy ( learn) about her recovery.
27. the new job means ( live) abroad.
28.after opening the hospital the prince went on (meet) the staff.
29.the doctor advised him (stay )in bed for a couple of days.
30.if you can’t find the information, try (look) for it at our website.

17. Remind me to take my key when I go to work.

To remind someone to do something, you need to use the phrase "remind me to" followed by the action that needs to be done. In this case, the action is "take my key." So the correct sentence would be "Remind me to take my key when I go to work."

18. She has always avoided borrowing money.

To talk about someone avoiding doing something, we use the phrase "avoid + verb-ing." In this case, the action is "borrowing money." So the correct sentence would be "She has always avoided borrowing money."

19. Can you lend me some money? I'm broke.

To ask someone to give you money, you need to use the phrase "lend + pronoun + money." In this case, the pronoun is "me." So the correct sentence would be "Can you lend me some money? I'm broke."

20. I can't stand teasing the weak.

To express a strong dislike for something, we use the phrase "can't stand + verb-ing." In this case, the action is "teasing the weak." So the correct sentence would be "I can't stand teasing the weak."

21. I refused to accept his help.

To talk about refusing to do something, we use the phrase "refused to + verb." In this case, the action is "accept his help." So the correct sentence would be "I refused to accept his help."

22. I called Mary to find out when the match started.

To talk about calling someone for a specific reason, we use the phrase "call + person + to + verb." In this case, the person is "Mary" and the action is "find out when the match started." So the correct sentence would be "I called Mary to find out when the match started."

23. She can't get used to living in the city.

To talk about someone adapting or getting accustomed to something, we use the phrase "get used to + verb-ing." In this case, the action is "living in the city." So the correct sentence would be "She can't get used to living in the city."

24. It's no use phoning her. She's gone away.

To express that something is pointless or has no effect, we use the phrase "it's no use + verb-ing." In this case, the action is "phoning her," and the reason it's pointless is because "she's gone away." So the correct sentence would be "It's no use phoning her. She's gone away."

25. Her parents will never let her travel alone.

To talk about someone not being allowed to do something, we use the phrase "let + pronoun + verb." In this case, the pronoun is "her" and the action is "travel alone." So the correct sentence would be "Her parents will never let her travel alone."

26. We were happy to learn about her recovery.

To talk about being pleased or glad about something, we use the phrase "happy/glad + to + verb." In this case, the action is "learn about her recovery." So the correct sentence would be "We were happy to learn about her recovery."

27. The new job means living abroad.

To talk about something having a specific consequence or result, we use the phrase "verb-ing." In this case, the action is "living abroad." So the correct sentence would be "The new job means living abroad."

28. After opening the hospital, the prince went on to meet the staff.

To talk about doing something as a subsequent action, we use the phrase "go on + to + verb." In this case, the action is "meet the staff." So the correct sentence would be "After opening the hospital, the prince went on to meet the staff."

29. The doctor advised him to stay in bed for a couple of days.

To talk about someone being advised to do something, we use the phrase "advise + pronoun + to + verb." In this case, the pronoun is "him" and the action is "stay in bed for a couple of days." So the correct sentence would be "The doctor advised him to stay in bed for a couple of days."

30. If you can't find the information, try looking for it on our website.

To talk about trying to do something, we use the phrase "try + verb-ing." In this case, the action is "looking for it on our website." So the correct sentence would be "If you can't find the information, try looking for it on our website."