Please do me ______ favor ______ the heavy box.A. /, carry B. a, to carry C. a, carry
Could you tell me ______________ now?
China has became the third nation to send a person into space______________.
The air pollution is very serious,we should take___________to stop it.
I think it is __________for them to find the lost bag with the help of the police.
She _____________ a new novel she has written recently in the talk show.