完成句子。
1．She spoke English well as if she __________（学习）in England.（study）
2．__________（必要）that we should have a walk now.（necessary）
3．__________ （有人建议）that he （should） finish his homework first.（suggest）
4．__________（要求）that all the students should wear school uniforms at school.（request）
5．My advice is that you __________（练习说）English as often as possible.（practise）
6．His request that his pay __________（支付）by the hour is completely reasonable.（pay）
7．The order came that __________（工作被完成）two days ahead of time.（finish）
8．It’s high time that __________（你该走了）.（go）
9．Without your help, __________（我就失败了）.（fail）
10．If only __________（我没错过火车）!（miss）
11．Look at the trouble I am in! If only I__________（接受你的建议）.（follow）
12．Without water, there __________（就没有生命）.（be）
13．It is surprising that you __________（不理解我）.（understand）
14．We knew each other as if we __________（是多年的朋友）.（be）
15．The commander ordered that the bridge__________（炸毁）.（blow）
