—How long _______ in Shanghai?
—I will be there attending a conference and giving a speech, which will take about 3 days.
A.have you stayed | B.are you staying | C.do you stay | D.did you stay |
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—How long _______ in Shanghai?
—I will be there attending a conference and giving a speech, which will take about 3 days.
A.have you stayed | B.are you staying | C.do you stay | D.did you stay |