完成句子（共10小题；每小题1.5分，满分15分）
阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。
1．Do remember to remind her            (关掉) the gas before she leaves. (turn)
2．Lots of policemen were sent to prevent them            (砍) the trees. (cut)
3．          (为何他们突然消失) then still remains a mystery. (disappear)
4．Giving children whatever they want            (对他们有害). (harmful)
5．I feel so sick. I wish Mum            (没有逼我) to eat so much. (force)
6．These chemical changes produced a chain reaction, which            (使可能) for life to develop. (make)
7．          (如果时间允许), I hope to visit the museum. (permit)
8．The house            (他付了) a large sum of money three years ago is now worth twice as much. (pay)
9．With such a lot of work on hand, he            (不应该去) to the cinema last night. (should)
10．          (他设法) carry out the experiment last year has encouraged his workmates greatly. (manage)