b,you needn't have told him 首先,你先理解第一句,意思是我昨天已經(jīng)告訴他了這個(gè)消息,然后你再看最后一句,意思是他已經(jīng)從其他人那里得知了這個(gè)消息,所以你沒有必要告訴他,而前者已經(jīng)告訴了他,所以要用完成時(shí),沒有必要做某事（表示已經(jīng)做了某事）用needn't have done sth(注意情態(tài)動(dòng)詞的用法,像不可能做了某事用couldn't have done sth等等）
希望采納哈!
-i told him the news yesterday.
-i told him the news yesterday.
-____.he had already picked it up from others.
a.you needn't tell him
b.you needn't have told him
c.you didn't need to tell him
d.you don't have to tell him
請(qǐng)問為什么是C?
-____.he had already picked it up from others.
a.you needn't tell him
b.you needn't have told him
c.you didn't need to tell him
d.you don't have to tell him
請(qǐng)問為什么是C?
英語(yǔ)人氣：517 ℃時(shí)間：2020-03-21 21:28:06
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