B .ought to have received
我們本應(yīng)該昨天就收到信的,(事實上沒收到,所以是虛擬語氣,后面也說了:) 但它(指信)沒到.
所以,是B
A,不是虛擬不行.
C 一定收到,意思不對.
D 一定要收,不是虛擬也不行.
We --- the letter yesterday,but it didn't arrive A .ought to receive B .ought to have received C.must have received D.mu
We --- the letter yesterday,but it didn't arrive A .ought to receive B .ought to have received C.must have received D.must receive
英語人氣：548 ℃時間：2019-12-08 21:18:05
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