1.Gr(pronouns/quantifiers): 1)I don't know _ about thev latest touchscreen TVs.
2)Dilnaz hurt ＿ when she fell down the stairs.
3)Please don't say about the gift I bought for Berik. It's a surprise. 4)These days people use social media.
5)Who is teacher over there? Is she new?
2. Future Tenses:
1)John (work) o his invention for 3 hours before hev finally goes to bed.
2)SScientissts hope they (solve) the world'sfood shortage problem by the end of the century.
3)Lie to me again and it (be) he end of our friendship.
4)Paul(travel) abroad next month. 5)Our plane(land) at 7a.m.

1. Gr(pronouns/quantifiers):
1) I don't know anything about the latest touchscreen TVs.
Explanation: The word "anything" is used as a pronoun and it means "any kind of thing" or "something".

2) Dilnaz hurt herself when she fell down the stairs.
Explanation: The word "herself" is a reflexive pronoun used to show that the action of hurting was done to Dilnaz.

3) Please don't say anything about the gift I bought for Berik. It's a surprise.
Explanation: The word "anything" is used as a pronoun and it means "any matter" or "any information".

4) These days people use social media.
Explanation: The word "people" is a pronoun used to refer to a general group of individuals.

5) Who is that teacher over there? Is she new?
Explanation: The word "she" is a pronoun used to refer to a female person.

2. Future Tenses:
1) John will have worked on his invention for 3 hours before he finally goes to bed.
Explanation: The future perfect tense is used to show an action that will be completed before a specific future time. "Will have worked" indicates that John will finish working after three hours have passed.

2) Scientists hope they will solve the world's food shortage problem by the end of the century.
Explanation: The future simple tense is used to talk about a future event or action. "Will solve" indicates the scientists' hope for solving the problem in the future.

3) Lie to me again and it will be the end of our friendship.
Explanation: The future simple tense is used to talk about a future event or action. "Will be" indicates that the end of the friendship will happen in the future.

4) Paul will travel abroad next month.
Explanation: The future simple tense is used to talk about a future event or action. "Will travel" indicates Paul's plan to travel in the future.

5) Our plane will land at 7 a.m.
Explanation: The future simple tense is used to talk about a future event or action. "Will land" indicates the plane's expected action of landing in the future.