Frank thinks math is easy, ______ I think it’s difficult.
| A．and | B．so | C．because | D．but |
Danny did all kinds of things to make his sister ________.
| A．to stop crying | B．stop crying |
| C．to stop to cry | D．stop to cry |
Many students said that they were willing to work hard to make their dreams ________true.
A．come B．came C．comes
—________a volunteer is great.
—I think so.Some of us want ________volunteers for the London Olympics.
| A．Being；being | B．To be；being |
| C．Being；to be | D．To be；to be |
While we were running on the playground, Jack suddenly stopped ________and lay on the ground，so we all stopped ________what was wrong with him.
A．to run；to see
B．running；seeing
C．running；to see
You had better ________because you have to drive back home.
| A．not drinking | B．not drink |
| C．don't drink | D．not to drink |