In the lecture, little Tom kept silent all the time unless _________ to express his opinion.
| A．he invited | B．he is invited | C．invited | D．being invited |
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 |
—You are so lucky.
—What do you mean________that?
| A．for |
| B．in |
| C．of |
| D．by |