关于when 和 while 的有关练习题目

一.改错
1.She is fat but I am thin.
2.It was raining while we arrived.
3.She sang while he walked.
4.I don't know them well,while they are my neighbors.
1.She thought I was praising her child,_____,in fact,I was scolding him for his bad behaviors at school.
A.what B.while C.so that D.therefore
2.I do every single bit of housework ____ my husband Bob just does the dishes now and then.(2004全国卷II35)
A.while
B.since
C.when
D.as
3.______ it is expected that students come university with the ability to take a good set of notes,this is not always the case.
A.When
B.As
C.For
D.While
4.We were swimming in the lake ___ suddenly the storm started.
A.when
B.while
C.until
D.before
答案：一1.but改成while.因为fat与thin形成对比
2.while改成when.因为arrived为短暂动词
3.while改成as.表示“一边…一边…”
4.While they are my neighbors,I don't know them well.主句和从句颠倒位置.
二.1.选B.while并列连词,表对比,意为,“而,但是”
2.选A.while含有对比之意,意为“然而”.
3.选D.在此句中while表示“尽管”.
4.选A.was doing···when···一个固定句式.