Look!JohnandJim’sroomisemptybutth

发布时间：2020-07-11 05:48:35

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

网友回答

B解析情态动词表达疑问的推测用法。用can表达。
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