摘要：一How unhappy your roommate looks! 一Yes.but he’s not willing to tell me what it is is troubling him. A.what B.which C.as D.that
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----How unhappy your roommate looks!
----Yes，but he’s not willing to tell me what it is____ is troubling him.
A. what B. which C. as D. that
查看习题详情和答案>>—How unhappy your roommate looks!?
—Yes, but he's not willing to tell me what it is _______ is troubling him.?
A. what B. which C. as D. that
查看习题详情和答案>>----How unhappy your roommate looks!
----Yes，but he’s not willing to tell me what it is____ is troubling him.
A. what B. which C. as D. that
查看习题详情和答案>>