—How long may I keep the book? —You _______

试题详情及答案解析

—How long may I keep the book? —You ________ keep it for two weeks.

A．may

B．must

C．will

D．have to

答案：A

试题分析：句意：我可以借这本书多长时间？你可以借它两周。A. may可以，B. must必须，C. will将，D. have to不得不。据句意，故选A。
考点：考查情态动词辨析。