I see him _______ English every morning .
A. to read B. reads C. read
---Sally, I went to the concert last night. How big the symphony hall is!
---So it is. It is ___________ to hold more than one thousand people.
| A．big enough | B．enough big |
| C．too big | D．so big that |
---Could you please tell me________________?
---Yes. There is one on Center Street.
| A．where can I buy some stamps |
| B．when you will take your vacation |
| C．when was the telephone invented |
| D．if there are any good restaurants around here |
Don’t ________too late, or you’ll be sleepy in class tomorrow.
| A． put up | B．stay up |
| C．take up | D．get up |
---I didn’t hear you come in just now.
--- That’s good. We tried ________ any noise, for you were sleeping.
| A．not make | B．not to make |
| C．to make | D．Making |
---The air pollution is terrible.
---It will be worse _______ we take action to protect the environment.
| A． if | B．unless |
| C．until | D．When |