---I saw Mr. Smith at Xianyang Airport this morning.
---You ____. He’s still on holiday in Hawaii.
A.can’t | B.couldn’t have | C.mustn’t have | D.needn’t |
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---I saw Mr. Smith at Xianyang Airport this morning.
---You ____. He’s still on holiday in Hawaii.
A.can’t | B.couldn’t have | C.mustn’t have | D.needn’t |