题目内容

-Must I go through the radiation(辐射)check when I come back from Japan at the airport these days?

-Yes, you _________.

[  ]
A.

can

B.

may

C.

might

D.

must

答案:D
解析:

情态动词。情态动词must意为“必要”时,引导的问句的肯定回答用must。


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