選A,
ought to = should
should have done 本應(yīng)當(dāng)做某事
She had great difficulty in understanding the lecture,you her.
She had great difficulty in understanding the lecture,you her.
A.ought to have helped
B.should to help
C.must have helped
D.could help
A.ought to have helped
B.should to help
C.must have helped
D.could help
英語(yǔ)人氣：832 ℃時(shí)間：2020-06-10 06:03:54
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