题目内容
He ________ in the classroom just now, he ________ be there now.
[ ]
A.heard to sing, may
B.was heard sing, must
C.heard sing, must
D.was heard to sing, may
答案:D
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—Where is Zhang Hua? Is he in the classroom now?
—He be there, for I saw him in the teachers’ office just now.
| A.can’t | B.may not | C.shouldn’t | D.mustn’t |