Complete the second sentence so that it has a similar meaning to the first. You can use a maximum of five words.

1 We are on our third head teacher since I started at this school. We …….. different head teachers since I started at this school.
2 Jerry spent months thinking about studying abroad before he actually applied for a job. Jerry ……… abroad for months before he actually applied for a job.
3 Falling asleep in class is not an experience I can remember having. I ……… in class as far as I can remember.
4 She will decide whether to accept the offer, and then she will ring us. She will ring us when she …….. our offer.
5 I read the book first and then saw the film, which was a mistake. I ……. before seeing the film, which was a mistake
6 Lydia spent years dreaming about attending ballet lessons before finally giving it a try. Lydia…….. ballet lessons for years before finally giving it a try.
7 Troy's parents move so often that this is his fourth school in three years. Troy……..four schools in three years because his parents move so often.
8 Getting 100% in an examination is not something I can remember doing. I don't think I …….. 100% in an examination before.
9 The professor will read the book and then decide whether to assign it to the class. The professor will decide whether to assign the book to the class …… it.
10 Patrick ignored my warning about the difficulty of that class and decided to take it anyway. I ……. the difficulty of the class before he decided to take it.