He asks ________ we can help protect the environment.
A. how B. what C. that
A new club in our school at the beginning of this year and now it has many members.
| A．starts | B．is started | C．has started | D．was started |
This place is not big enough for Lucy’s birthday party. We should find a one.
| A．big | B．small | C．bigger | D．smaller |
Ten years had passed the CCTV event People Who Moved China took place in 00.
| A．when | B．while | C．before | D．since |
—Sam, come downstairs, please. I need your help.
—Sorry，mum. I on the phone..
| A．am talking | B．talked | C．was talking | D．have talked |
The workers in the Huashan Mountains have to rubbish to keep the mountains clean.
| A．turn up | B．pick up | C．mix up | D．give up |