I regret ______ that I’m too busy ______ in the talk.
| A．to say, to participate | B．saying, participating |
| C．to say, participating | D．saying, to participate |
________you put your heart into your study, you'll feel________in it.
| A．Once; interest |
| B．If; interested |
| C．Since; interested |
| D．When; interesting |
That is the place where I________when I was a child.
| A．was used to live |
| B．used to living |
| C．used to live |
| D．am used to living |
The classroom is big enough________， but we'll have to move if we have more students.
| A．for the moment |
| B．on the moment |
| C．in a moment |
| D．for a moment |
We went to Canada to travel and my cousin________as our guide.
| A．palyed |
| B．showed |
| C．acted |
| D．performed |
The question now________at the meeting is very important.
| A．discussed |
| B．to be discussed |
| C．being discussed |
| D．discussing |