—_____ does your mother usually go to the office? —By bus.
| A．Where | B．What | C．How | D．When |
- - -What should we do next?
- - -Here are some vegetables. We have to___________.
A .mix up them B. cut it up C. cut them up
My mother is busy _________the room.
A. clean B. to clean C. cleaning
- - -Harbin is really a beautiful city and there’re many places to visit.
- - -Oh, yes. Why not stay here for_________two days?
A. another B. other C. others
Sam isn’t leaving________next Sunday.
A. When B. until C. after
- - -Thanks for inviting me. But I’m so sorry I can’t come.
- - -No matter. __________another time.
A. Maybe B. Especially C. Please