题目内容
---- There is a lot of smoke coming out of the teaching-building there.
---- Really? It _____ be a fire, most probably.
---- Really? It _____ be a fire, most probably.
| A.can | B.ought to | C.have to | D.must |
D
从most probably.可以看出是很可能, must表示一定
练习册系列答案
相关题目