1.4
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as , when , while 的区别和用法。
解题思路: as , when , while 的区别和用法。 1 when 后经常跟短暂性动词,经常用一般过去时。 2 while 后经常跟延续性动词,经常用过去进行时。 while还可以用来表示对比 3 表示一边----一边
解题过程:
as , when , while 的区别和用法。
1 when 后经常跟短暂性动词,经常用一般过去时。
2 while 后经常跟延续性动词,经常用过去进行时。
while还可以用来表示对比
3 表示一边----一边
例如:
1 I was reading when he came in
2 He was doning nothing while his wife was cooking
3 As time goes on ,I realize the importance of English
最终答案:略
解题过程:
as , when , while 的区别和用法。
1 when 后经常跟短暂性动词,经常用一般过去时。
2 while 后经常跟延续性动词,经常用过去进行时。
while还可以用来表示对比
3 表示一边----一边
例如:
1 I was reading when he came in
2 He was doning nothing while his wife was cooking
3 As time goes on ,I realize the importance of English
最终答案:略