单项选择题

—Shll we go to visit Mr. Wng now —Mr. Wng________here now. He left for Shnghi byir this mo

rni—Shll we go to visit Mr. Wng now —Mr. Wng________here now. He left for Shnghi byir this morning.must be B.cn be C.mustn’t D.cn’t beA.must beB.can beC.mustn’tD.can’t be
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