—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