【推荐1】Not drinking enough water _____ lead to headache and poor physical performance.

A．can

B．must

C．should

D．need

【推荐2】It is usually very hot here in Wuxi in June, but it _______ be cool sometimes.

A．can

B．must

C．should

D．would

【推荐3】According to the new regulations, one ________ pass night driving test for the license.

A．need

B．can

C．must

D．may

【推荐1】New regulations make it clear that to use children's information, network operators ______ obtain the children's guardians' permission in a clear manner

A．may

B．shall

C．could

D．might

【推荐2】The movie gave me horrible dreams. I ___________ not have watched that movie.

A．can

B．should

C．must

D．may

【推荐3】Isn’t it strange that a wealthy gentleman like him         worry about a little thing like one hundred dollars?

A．must

B．can

C．should

D．may

【推荐2】--- Where will you start your work after graduation?
--- Mum, it’s not been decided yet. I ______ continue my study for a higher degree.

A．need	B．must
C．would	D．might

【推荐3】The lady over there ________ be our boss. I just saw her in the office.

A．mustn’t

B．may not

C．can’t

D．needn’t

【推荐1】He______ his work, otherwise, he wouldn’t be enjoying himself by the seaside.

A．must have completed	B．should have completed
C．ought to complete	D．must complete

【推荐2】You _____ be right but I’m going back to check anyway.

A．should

B．must

C．need

D．might

【推荐3】You ________ be Carol. You haven’t changed a bit after all these years.

A．must

B．can

C．will

D．shall