What do you think of the price of gold in the world ?
Nowadays it is getting much __________than before .
| A．low |
| B．lower |
| C．lowest |
| D．the lowest |
【2013湖南益阳】The man ______be my English teacher. He has gone toCanada.
A. might B. must C. can’t
【2013上海】—Must I go to medical school and be a doctor like you, dad?
—No, you _______,son. You’re free to make your own decision.
| A．can’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
【2013四川广安】—____I swim here?
—No, you _____. Look at the sign “No swimming”.
A. Must：can’t
B. Can; don’t
C. Can; mustn’t
【2013四川南充】— Excuse me, whose book is this?
— It ________ be John’s. It hashisname on it.
A. mustB. needC. can’t
【2013四川遂宁】―Must I return the book this week?
― No, you . You can it for 20 days.
A. mustn’t, keep
B. needn’t, borrow
C. needn’t, keep