The boss wants to keep his shop _______ for another three hours.
| A．open | B．opened | C．opens | D．opening |
When he walks______my desk，he knocked my books and pens _____the floor．
| A．passed；away | B．past；away |
| C．passed；onto | D．past；onto |
Chinese students have weeks in the summertime than American students.
| A．more; on | B．fewer; on |
| C．more; off | D．less; off |
---Daniel , remember to close the door before leaving the house.---_________.
| A．OK, I will | B．Yes, please |
| C．It's hard to say . | D．It doesn't matter |
You______buy Tom a present if he invites you to his birthday party.
| A．had better | B．would like |
| C．are able to | D．must |