治疗咳嗽,咯吐痰涎,色白清稀,应首选的药物是()
A.归肺经
B.归心经
C.归肝经
D.归膀胱经
E.归脾经
参考答案:A
—Hurry up, Mum. The lights are turned on. Dad has been back.
—It _________ be him. He has gone to Shanghai.
A.must
B.can’t
C.mustn’t
D.may
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