1.Perseverance is a kind of quality - and that's what it takes to do anything well.
2.The fire destroyed what was in the building.
3.The question he asked was where the electrical should be stored.
4.That there is life on anohter planet is almost impossible.
5.Please give the book to whoever wins the first prize.
6.He was driving at what I thought was a fantastic speed.
7.Since you're got such a golden chance,who not make the best of it?
8.A whole month had passed before she fully recovered.
9.It is almost 16 years since I last met Sarah.
10.Can you imagine how long it will be before a new drug is invented for AIDS?
11.I had no sooner gone into the classroom then the bell rang.
12.I found all the doors open and everything in disorder as soon as I arrived home.
13.Please do the experiment as the teacher told you to.
14.He is only a kid,but he speaks as if he were a grown up.