题目内容
-There is a lot of smoke coming out of the teaching-building there.
-Really?It ________ be a fire, most probably.
[ ]
A.can
B.ought to
C.have to
D.must
答案:B
解析:
解析:
|
can不能在肯定句中表示推测;have to意为“不得不”,不符合句意;ought to意为“应该”,本句意为“应该是火灾吧”;must表示“一定是”,与most probably矛盾。 |
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