— Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.
— You mean the man in white? He is an exchange student from England.
A.can | B.may | C.can’t | D.mustn’t |
— Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.
— You mean the man in white? He is an exchange student from England.
A.can | B.may | C.can’t | D.mustn’t |