单选 It________be my uncle.He has gone to Beijing.A.mustB.mustn’tC.canD.can’t
问题描述:
单选 It________be my uncle.He has gone to Beijing.
A.must
B.mustn’t
C.can
D.can’t
答
单选 It________be my uncle.He has gone to Beijing.
A.must
B.mustn’t
C.can
D.can’t