— Must I go to medical school and be a doctor like you，Dad?— No，you__________，son．You’re free to make your own decision．
#75418
A
can’t
B
mustn’t
C
shouldn’t
D
needn’t
推荐题目
----Jack, how are you feeling now?----I am much better, Mum, so you ______________ take me to see the doctor.
#74166
A
Can’t
B
mustn’t
C
needn’t
D
couldn’t
—I wonder why Suzan looks worried today.—I’m not sure, but she ________a small accident driving here.
#63149
A
could have
B
might have
C
might have had
D
must have had
---________ we clean the classroom at once? ---No, you________. You ________clean it after school
#76372
A
Must, needn’t, can
B
Need, mustn’t ,may
C
Must, mustn’t, can
D
Shall, can’t , may
—Mr. Wang __________ be in the office. The light is still on.—No, he __________ be. Because he phoned me from the farm just now.
#77260
A
may; mustn’t
B
mustn’t; mustn’t
C
can’t; can’t
D
must; can’t
—Listen！Helen is singing in the next room.—It _____be Helen .She has gone to Beijing.
#75780
A
should
B
mustn’t
C
may
D
can’t