In order to make our city green, _________.
| A．it is necessary to have planted many trees | B．many more trees need to plant |
| C．we must plant more trees | D．our city needs more trees |
The teacher asked us_______ in deep water
| A．don’t swim | B．not swim | C．not swimming | D．not to swim |
It was in the street ______I met xiao zhang_____the fire took place
A.which/which B.that/that C where /that D why/that
____people _____were killed or injured reached more than 400,000
A.The number of,who B A great number of,who
C The number of, which D .A great number of,whom
His parents wouldn’t let him marry anyone ______family was poor.
| A．that | B．which | C．whom | D．whose |
Listen, Do you hear someone _____for help?
| A．calling | B．call | C．to call | D．called |