_________ trees have been planted these years.
| A．Million | B．Millions | C．Million of | D．Millions of |
We are trying to help those children _____ lost their parents in Yushu, Qinghai Province.
| A．which | B．when | C．who | D．whose |
Flowers____________ along the road last year.
| A．plant | B．planted |
| C．are planted | D．were planted |
Could you tell me ________？
| A．when will the meeting start |
| B．when the meeting will start |
| C．the meeting will start when |
| D．the meeting when will start |
I can play the piano，and.
| A．neither can my sister | B．my sister can’t，too |
| C．so can my sister | D．can my sister，either |
Learning to write is learning to think. You don’t know things clearlyyou can write them down.
| A．unless | B．if | C．since | D．whether |