Mom, don’t you think it's OK to play once in a while it doesn’t affect my studies?
| A．even if | B．unless |
| C．so that | D．as long as |
The exhibition is well worth ________ and you can see fancy vases of different dynasties on show there.
| A．to visit | B．to be visited |
| C．being visited | D．visiting |
Only when he reached the tea-house _________ it was the same place he’d been in last year.
| A．he realized | B．he did realize |
| C．realized he | D．did he realize |
She’s having a lot of trouble with the new computer, but she doesn’t know whom to _______.
| A．turn to | B．look for |
| C．deal with | D．talk about |
The time he has devoted ______ the disabled is now considered ________ of great value.
| A．to help; being | B．to helping; to be |
| C．to help; to be | D．helping; being |
I like___color of your skirt. It is___good match for your blouse.
| A．a; the | B．a; a |
| C．the; a | D．the; the |