1 Complete the second sentence so that it means the same as the first. Use the words in brackets. 1 It’s necessary for us to be careful because there are snakes here. (have) We because there are snakes here. 2 She has the ability to speak three languages fluently. (can) She fluently. 3 It isn’t necessary for you to read all the books. (have) You all the books. 4 I think it’s a good idea for you to use sun cream when you go hiking. (should) I think you when you go hiking. 5 When I was a child, I had the ability to run all day and not get tired. (could) When I was a child, I and not get tired. 6 It isn’t necessary for her to stay at home tonight. (to) She at home tonight. 7 It isn’t a good idea for them to swim in that water. It’s dirty. (shouldn’t) They . It’s dirty. 8 I’m certain she’s at home today. (must)