—Don’t step on the grass next time, Mike.
— _______.
| A．Is that so? | B．Don’t worry |
| C．I don’t know | D．Sorry, I won’t. |
---_____________late for school again, Tim ---Sorry, I_____________.
| A．Don’t; won’t | B．Don’t be; won’t |
| C．Don’t be; don’t | D．Don’t; will |
The teachers ask some boys _____any noise nearby. Because they are having a meeting.
| A．make | B．to make |
| C．not to make | D．to not make |
— Is Eric in the next room?
—Well，it’s hard to say. But I heard him _____loudly when I passed by just now.
| A．sing | B．to sing | C．sang | D．singing |
You will find________useful to learn even a little English．
| A．it | B．that | C．this | D．they |
The ___________ boy is very lovely .
| A．ten-month-old | B．ten months old |
| C．ten- months old | D．ten- months-old |