Could you ______ her ______ me back?
[     ]
A. ask, to call
B. ask, call
C. to ask, call
D. to ask, to call
He can _____ his father _____ him.
[     ]
A. ask; help
B. ask; helping
C. ask; to help
D. to ask; to help
Where is Jack, please? He _____ be in the classroom
[     ]
A. can
B. need
C. would
D. must
—Let's go singing tonight?
—Sorry, I _____. I have to look after my sister.
[     ]

A. mustn't
B. may not
C. can't
D. needn't

You _____ play with fire, Tom. It's dangerous.
[     ]
A. needn't
B. may not
C. mustn't
D. wouldn't
—There's somebody at the door. Who _____ it be? Is it a postman?
—No, It _____ be him. It's just seven o'clock. It's too early.
[     ]
A. may; can't
B. will; won't
C. may; must
D. must; may not
—What's Mary going to do next Sunday?
—I'm not sure. She _____ go to the Great Wall with her parents.
[     ]
A. can
B. must
C. will
D. may

—Must I finish the work today, Mom?
—No, you _____. You can finish it tomorrow.

[     ]

A. mustn't
B. needn't
C. shouldn't
D. can't
Whose notebook is this?
It ______ be Lucy's. Look! It has her name on it.
[     ]
A．might
B．must
C．could
D．can't
单项选择。
The tiger can't climb the tree, but the cat ______.
[     ]
A.do
B.can't
C.can
D.don't
 0  15069  15077  15083  15087  15093  15095  15099  15105  15107  15113  15119  15123  15125  15129  15135  15137  15143  15147  15149  15153  15155  15159  15161  15163  15164  15165  15167  15168  15169  15171  15173  15177  15179  15183  15185  15189  15195  15197  15203  15207  15209  15213  15219  15225  15227  15233  15237  15239  15245  15249  15255  15263  159627