1 my sister worked....last year
2 they had to write...
3 the students spoke
4 our lesson began
5 our family got up
6 I prepared
7 I could rest
8we often had to work
9 we gathered ...last Sunday
10the girl read....yesterday
11 she took..,dried...,cleaned ...before put on...
12 we didn't understand
13 the boys did...yesterday
14 why didn't you turn ...when you left...?
15how long did it take...? It took me..