【推荐1】— Must I arrive before 7:00 tomorrow morning?
— Yes, you _________ .

A．must

B．may

C．can

D．need

【推荐2】—Jim, never throw objects from the high building. Even a small object ________ cause injuries or death when dropped from a great height.
—OK, I won’t do that, mum.

A．must

B．should

C．may

D．need

【推荐3】As a teacher, you ________ be patient as you need to teach the students well.

A．would

B．can

C．should

D．may

【推荐1】Two days later, my husband got a new job in another city, so we _______ move again.

A．have to	B．had to
C．will have to	D．would go

【推荐2】—Could you join us this afternoon?
—Sorry, I can’t. I ________ take care of my little sister because my mother is out.

A．May

B．have to

C．must

D．need

【推荐3】—I can’t stop smoking, doctor.
—For your health, I’m afraid you ________.

A．may

B．can

C．need

D．have to