David didn’t give up ______ he had failed in the experiment four times．
| A．if | B．while | C．though | D．since |
It’s cold outside today, You’d better___________your coat.
| A．to put down | B．put up |
| C．put out | D．put on |
---Don’t play on the road. It’s dangerous.
---_______________________________.
| A．Sorry, I won’t do it again. | B．Not at all |
| C．Yes, I will | D．That’s all right |
---When did they__________Beijing?
---They ___________there at 5:00p.m.
| A．reach; arrived in | B．get to; arrived at |
| C．arrive; reached | D．reach;arrived |
I have ________money than you, but I have _________friends than you.
| A．less; fewer | B．more; less |
| C．less; more | D．fewer; more |
.We can’t ________ the bus before it stops.
| A．get out | B．get in |
| C．get up | D．get off |