I ______ my homework while my parents _______ TV last night.
A.did,have watched B.was doing,were watching
C.had done,were watching D.would do,were watching
答案：B.was doing,were watching
在同一段时间内都正在做某事,用的是过去进行时.
翻译：昨天晚上我在家庭作业,而我的父母亲在看电视.
2.We'll try our best to do the work with ______ money and _______ people.
A.few,little B.a few,a little C.less ,fewer D.fewer,less
答案：C.less ,fewer
money是不可数名词所以用less；people是可数名词,所以用fewer.
翻译：我们正在尽最大努力花更少的钱和更少的人来做这项工作.
3.There was a rainstorm yesterday.The flood _______ the old bridge over the small river.
A.washed away B.went away C.kept away D.put away
答案：A.washed away
wash away是固定短语,“冲走,冲垮”
翻译：昨天下了一场暴雨.洪水冲垮了这条小河上的旧桥.