— Don’t forget ______ your homework before going out to play basketball, John.
— OK, Dad.
| A．finishing | B．finish |
| C．to finish | D．to finishing |
—I think everyone must do his best to _______pollution.
—If so, there will be a good future for people of tomorrow.
A. keep B. stop C. stand
Could you tell me ______________ now?
| A．When will he come back | B．if he lived here |
| C．Which color does he prefer | D．Where he works |
China has became the third nation to send a person into space______________.
| A．successfully | B．probably | C．luckily | D．rapidly |
The air pollution is very serious,we should take___________to stop it.
| A．some advice | B．some measures | C．some relations | D．some effect |
I think it is __________for them to find the lost bag with the help of the police.
| A．proper | B．direct | C．excellent | D．possible |