---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 does Jack usually go to school?
— He _____ ride a bike, but now he ______ there to lose weight.
| A．used to; is used to walk | B．was used to; is used to walking |
| C．was used to; is used to walk | D．used to; is used to walking |
—Shall I take you home after school?
— No, thanks. Father will_____ on his way home.
| A．wake me up | B．pick me up | C．let me down | D．help me out |
—Would you mind staying in such a noisy room?
— No, but my son needs a______ place to study in.
| A．cleaner | B．quieter | C．safer | D．Smaller |
Tom is______ little ______his mother has to help him put on his clothes.
| A．enough; to | B．too; to | C．so; that | D．such; that |
It’s true that the bad news had a bad ______ on my grandmother.
| A．affect | B．instance | C．taste | D．Effect |