19.Helen (has studied) Spanish for 3 years by the end of next month.
20.When I got home,I found that my room (was broken) into and a lot of things (were stolen).
21.A new theatre (is being built) now.
22.I will tell him about it as soon as I (meet) him.
第四部分 选择题
（D）1.Could you tell me （when Tom comes back）?
（B）2.Do you know （what Tom will do） during the coming summer holiday?
（C）3.A soldier saved a baby last night,but nobody knew （who he was）.
第五部分 填空.(反意疑问句）
1.Miss Li goes to the museum every weekend,（doens't she）?
2.Let us go home,（will you）?
3.You met your best friend yesterday,（didn't you）?
4.Everything is under control,（isn't it）?
5.Everybody is here,（aren't they）?