Question

【题目】I’m afraid I can’t finish reading the book. According to the rules, I ________ return it within 15 days.

A.mayB.needC.mustD.can

Answer 1

【答案】C

【解析】

句意：我担心我不能读完这本书。根据规则，我必须在15天内归还。

考查情态动词。may可以；need需要；must必须；can能够。根据“According to the rules,”可知，规定性的规则是必须要还，故选C。