. It’s quite a time _____ Liu Xiang was injured in the foot, but we are sure it won’t be long _____ he returns to the track.
| A．after; when | B．before; since | C．that; when | D．since; before |
---May I ask for a leave,sir?
---sorry,the meeting ____ __ no absence.
A:admits B:admits of C:admits to D:admits about
I smell something ____ ______ in the kitchen. Can I call you back in a minute?
| A．burning | B．burnt | C．being burnt | D．to be burnt |
.At the beginning of class, the noise of desks ____ could be heard outside the classroom.
| A．opened and closed | B．to be opened and closed |
| C．being opened and closed | D．to open and close |
_____and I’ll get the work finished.
| A．Have one more hour | B．One more hour |
| C．Given one more hour | D．If I have one more hour |
.This washing machine is environmentally friendly because it uses _____water and electricity than _____models.
| A．less; older | B．less; elder | C．fewer; older | D．fewer; elder |