—Must I finish the work today?
—No, you .
| A．can’t | B．mustn’t | C．needn’t | D．don’t |
If he ______ harder, he will catch up with us soon.
| A．study | B．will study |
| C．studies | D．studied |
---May I smoke here?
---No, you ______. Look at the sign, it says, “No smoking!”
| A．couldn’t | B．needn’t |
| C．mustn’t | D．won’t |
---How do you like the dress?
---It’s beautiful, and it fits me well. _______ I like it very much.
| A．Or | B．So |
| C．But | D．Because |
. ---Which is _______, the sun, the earth or the moon? ---Of course, the sun.
| A．big | B．bigger |
| C．biggest | D．the biggest |
--When will you come back? ---_______ July 5th.
| A．On | B．In | C．At | D．To |