---How was your trip?
---The ______trip was so ________ that we felt very tired.
| A．three-hour; bored | B．three-hours; bored |
| C．three-hour; boring | D．three-hours; boring |
Look! There _______ a number of students running on the playground. The number of them _________ 15.
| A．is; is | B．is; are |
| C．are; is | D．are; are |
---Oh, so many people are standing outside the hall. _______ will the film start?
--- _______seven o’clock.
| A．; Not until | B．How long; Not until |
| C．How soon; Until | D．How long; Until |
If our government loses ________ of food safety , our health will be in_________.
| A．controlling; dangerous |
| B．control; danger |
| C．controlling; danger |
| D．control; dangerous |
The film festival _______ some actors and filmmakers.
| A．is open for | B．is open to |
| C．is open as | D．is open with |