---Must I hand in my homework today? ---No, you .
| A．mustn’t | B．don’t have to |
| C．shouldn’t | D．may not |
—May I speak to the headmaster?
—He’s not here．He _______ Beijing．Can I take a message?
| A．has gone to | B．has been to | C．has gone | D．has been |
Ann is a careful girl．She always goes over her exercises to ____ here are no mistakes．
| A．look for | B．make sure | C．find out | D．think about |
Your iPad is quite nice． Where did you buy ______? I want to buy ______, too．
| A．one ; one | B．it ; one | C．it ; it | D．one ; it |
______ difficult questions they are! I can’t answer them．
| A．How | B．How a | C．What | D．What a |
He left in ______ a hurry that he forgot ______ the door．
| A．so; locking | B．so ; to lock | C．such; locking | D．such; to lock |