I want to buy a new house on the ____ side of your park.
| A．both | B．every | C．all | D．other |
Many ________ are helping look for the lost boy.
| A．police | B．policeman |
| C．policemen | D．policewoman |
The book belongs ________ Tim.
| A．for | B．with | C．to | D．into |
We went to Hainan Island on May Day and had great fun ________ in the sea.
| A．surf | B．surfing |
| C．surfs | D．to surf |
Our English teacher is very strict _____us and he is strict_______his teaching.
| A．with, at | B．with, with |
| C．at, at | D．with, in |
I hear someone ________ in the room now.
| A．sing | B．to sing | C．singing | D．sang |