I think you should complain----______, of course, you are happy with the way things are.
| A．if | B．unless | C．as | D．because |
“Well done, John! Not a single mistake _______ in your exam paper this time!” said the teacher．
| A．you made | B．did you make | C．had you made | D．have you made |
This machine __________ It has worked for years.
| A．didn’t work |
B．wasn’t working |
C．doesn’t work |
D．isn’t working |
When they moved to Canada, the children ______ to the change very well.
| A．adopted | B．adapted | C．accustomed | D．suited |
Busy as they are, parents should ______ at least two hours every week to spend with their children.
| A．set out | B．set away | C．set off | D．set aside |
If you want to book tickets for the 2012 Olympic Games, just call 00952012. It ______ be simpler.
| A．mustn’t | B．won’t | C．needn’t | D．couldn’t |