D must have done 對(duì)過去某事的推測,一定是.了,本句意思是她一定是收到了.
D 被動(dòng)語態(tài),結(jié)構(gòu)是主語+be動(dòng)詞+過去分詞,其它三項(xiàng)結(jié)構(gòu)都是錯(cuò)誤的,只有D是正確的.
I mailed the letter two weeks ago.She_____it.
I mailed the letter two weeks ago.She_____it.
A.must receive
B.can't receive
C.might receive
D.must have received
Nowadays computers _________________ widely in our daily life.
A.use
B.used
C.will use
D.are used
A.must receive
B.can't receive
C.might receive
D.must have received
Nowadays computers _________________ widely in our daily life.
A.use
B.used
C.will use
D.are used
英語人氣：801 ℃時(shí)間：2020-04-01 21:30:43
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