you have broken two windows of the classroom, it’s no use saying sorry.
| A．Now that | B．As if |
| C．Even if | D．So that |
It may not be a great suggestion.But before________is put forward，We’ll make do with it.
| A．a good one | B．a better one |
| C．the best one | D．a best one |
Every day________a proverb aloud several times until you have it memorized.
| A．read | B．reading |
| C．to read | D．reads |
There are some health problems that，when ________ in time，can become bigger ones later on.
| A．not treated |
| B．not being treated |
| C．not to be treated |
| D．not having been treated |
The driver wanted to park his car near the roadside but was asked by the police________.
| A．not to do | B．not to |
| C．not do | D．do not |
The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them.
| A．are；is | B．are；are |
| C．is；are | D．is；is |