—He ____be in the classroom, I think.
—No, he_____ be in the classroom. I saw him go home a minute ago.
A.can, may not | B.must, may not | C.may, can’t | D.may, mustn’t |
—He ____be in the classroom, I think.
—No, he_____ be in the classroom. I saw him go home a minute ago.
A.can, may not | B.must, may not | C.may, can’t | D.may, mustn’t |