完成句子
(1)If only the banks would lend money (无限制地)!
(2)She has to work (在……的范围内)a fairly tight budget.
【单词】prevent vt.
◎观察思考
There are many ways to prevent this from happening.有多种方法可以防止此事发生。
Pollution prevents people seeing objects in the sky that they could see quite easily in the past.污染使人看不到在过去很容易看到的天空中的物体。
◎归纳总结
prevent sb (from) doing sth
◎联系拓展
stop sb from doing sth
keep sb from doing sth
protect sb from doing sth