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1.——Did you remember to return the book to our English teach

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/26 01:02:42
1.——Did you remember to return the book to our English teacher?
----Yes.I gave it to him______I saw him
A.once B.while C.if D.the moment
为什么选D不能选a或者b呢?
2.----May I go now?
----_________you've finished your work,you may go.
A.After B.Although C.Now that D.As soon as
为什么选C不能选D呢?
1.——Did you remember to return the book to our English teach
1 由gave it to him知道我把课本给了他的这个动作时过去发生的,once表示“一旦.就”,一般用在将来时中,所以时态不符合要求.while表示的动作一般具有延续性,而把书给老师的这个动作只是暂时的,可以用when,但while不可以.
2 As soon as表示“一旦.就”,一般用在将来时中,而you've finished your work是过去完成时的时态,就只能用Now that .