____work is very important in a discussion.
| A．Team | B．House | C．Farm | D．School |
Kate’s dad is getting old．She will go back home to see him________it is convenient．
| A．because |
| B．whenever |
| C．although |
| D．unless |
The teachers encourage their students to________the problems by themselves，and in this way students can enjoy success．
A．give up
B．work out
C．look through
Your article is________better than mine．
| A．very |
| B．pretty |
| C．a lot |
| D．a lot of |
—I’m looking forward to________my parents soon．What about you?
—Me too．
A．seeing
B．see
C．saw
—Remember________the door when you leave the room．
—OK，I will．
| A．to lock |
| B．locking |
| C．lock |
| D．locked |