----How long can I keep the book?--A weekYou to return it by Monday． A. expectB. will

问题补充：

----How long can I keep the book?

----A week．You to return it by Monday．

A. expect

B. will expect

C. are expected

D. will be expected

答案：

A. expect

B. will expect

(答案→)C. are expected

D. will be expected

解析：考察语态。句意：这本书我能拿多久？一周。到下个星期一你要换回来。可知下文描述的是现在的状态，故用一般现在时，you是被期望的对象，故用被动语态。选C。