Working hard ________ the key _________ success of everything．
| A．is,to | B．is,of | C．are,in | D．are,for |
—Look!Some people are running the red lights．
—We should wait________others are breaking the rule．
| A．if |
| B．unless |
| C．although |
| D．because |
—Are you________the dark?
—Oh，yes．I always go to sleep with the light on．
| A．used to |
| B．afraid of |
| C．pleased with |
| D．good with |
The little girl was crying because her mother didn’t allow her________the ice cream．
| A．eat |
| B．eats |
| C．to eat |
| D．ate |
—Mark，you look so tired．
—Oh，I didn’t go to bed________it was 12 o’clock last night．
| A．unless |
| B．after |
| C．until |
| D．as |
Lily is over there，and she is talking to a friend________the phone．
| A．on |
| B．in |
| C．by |
| D．for |