题目内容
-________ he clean the classroom now?
-No, he ________. He may do it tomorrow.
[ ]
A.Must; mustn't
B.Need; wouldn't
C.Shall; needn't
D.May; don't have to
答案:C
提示:
提示:
|
shall在疑问句中,用于一、三人称表示客气委婉地请求或提出建议;由后句的He may do it tomorrow.看出是没必要,故用needn't。 |
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