—Perhaps John's not in.
—______.Look，the light's on.
| A．Yes，he can be at home |
| B．No，he couldn't go out |
| C．Yes，he must be at home |
| D．No，he needn't go out |
— How long have you been in this office?
— Just a few minutes．My cousins _______ here together with me．
| A．have walked | B．had walked |
| C．walked | D．have been walking |
— I wonder how much you charge for your services．
— The first two are free _______the third costs $30．
| A．while | B．until | C．when | D．before |
— Why don’t we choose that road to save time?
— The bridge to it _______．
| A．has repaired | B．is repaired |
| C．is being repaired | D．will be repaired |
In order to find _______ better job, he decided to study _______ second foreign
language．
| A．the; a | B．a; a | C．the; the | D．a; the |
The exhibition he had been looking forward to _________ was _________ until next Sunday.
| A．visit; put off | B．visiting; put off |
| C．visit; put on | D．visiting; put on |