-This John’s house. It’s number 101.-I don’t think so.He said a large white hous
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—This ________John’s house. It’s number 101.
—I don’t think so.He said a large white house but this is a small yellow one.
A.must be
B.can’t be
C.may not be
D.should be
试题答案
A
对事实有较大把握判断，肯定句用must。