题目内容
Look!John and Jim’s room is empty but the light is on and door is open.Where ________ they ________?
- A.may; go
- B.can; have gone
- C.should; go
- D.would; have been
B
情态动词表达疑问的推测用法。用can表达。
情态动词表达疑问的推测用法。用can表达。
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