_________ the boy student has made marks in his study, he never shows off.
| A．Although; much | B．Although; high |
| C．But; much | D．But; good |
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 |