题目内容
—There is a lot of smoke coming out of the building there.
—Really?It____be a fire,most probably.
A.can B.ought to C.have to D.must
D
练习册系列答案
相关题目
题目内容
—There is a lot of smoke coming out of the building there.
—Really?It____be a fire,most probably.
A.can B.ought to C.have to D.must
D