【原创】We don’t know ________ next. Let’s ask Mr. Zhang.
| A．what to do | B．to do what |
| C．whether to do | D．to do whether |
---How many Chinese astronauts ______ into space since 2003?
----Twelve , including two women.
| A．were sent | B．sent | C．have been sent | D．have sent |
---Who helped you clean the classroom yesterday?
---_______. I did it all by myself.
| A．Someone | B．Anyone | C．Nobody | D．Everybody |
I remember ______ the math problem ______.But I can’t remember it’s answer.
| A．working ;out | B．to work ;out |
| C．working ;with | D．to deal ;with |
It’s said that _____ of the water around the world _____ polluted.
| A．two third ;has | B．two thirds ;have |
| C．two third ; are | D．two thirds ;is |
---May I have a look at your plan for the robot ?
----Sorry ,I’ve _____ it at home .
| A．missed | B．forgotten | C．left | D．lost |