Be quick, ___________ we’ll be late for the meeting.
| A．and | B．but | C．so | D．or |
Please put these things into the bowl and _________ __.
| A．mix them up | B．mix up them |
| C．mix it up | D．mix up it |
My family plan ____ to Hainan for our this winter holiday.
| A．went | B．to go | C．going | D．go |
She ________ for Tibet next month because she finds a new job there.
| A．is going to leave | B．leave |
| C．leaves | D．left |
I predict there will be fewer ____ in the future.
| A．free | B．trees | C．pollution | D．money |
When I grow up ,I'm going to do _____I want to do.
| A．that | B．what | C．which | D．when |