You will fall behind the others ______ you start to work hard.
| A．since | B．if | C．until | D．unless |
He is always the first boy ____ gets to school.
| A．who | B．which | C．/ | D．that |
– What do you think of my shirt? It _____ cotton.
-- It looks nice on you.
| A．is made in | B．is made for |
| C．is made of | D．is made by |
The picture _____ you like best _____ by LiWei.
| A．that; draw | B．that; drew |
| C．which; drew | D．which; is drawn |
– Do you know the price of the ticket?
-- Yes. Each _____ 180 yuan.
| A．pays | B．costs | C．takes | D．spends |
What did he find? He was surprised at what _____.
| A．did he find | B．he did find |
| C．he found | D．he has found |