Question

—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

 

Answer 1

【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。