— I think the man over there must be Bob.— It _______ be him. He has gone to England.
#76658
A
can’t
B
mustn’t
C
couldn’t
D
shouldn’t
推荐题目
You ________ in person; a telephone would have been enough.
#62344
A
couldn't have come
B
needn't have come
C
shouldn't have come
D
mustn't have come
The weather in Liupanshui is ________ too cold _______ too hot.
#75054
A
neither; nor
B
either; or
C
not only; but also
D
both; and