Try the new cleaner．Just a few minutes every day—that’s all it takes—______you could have shining floors and furniture．
| A．and | B．but | C．or | D．so |
The reason for his success is ______ he worked very hard.
| A．why | B．that | C．whether | D．how |
He couldn’t ______ the fact that the money was found in his house.
| A．answer for | B．leave for | C．account for | D．care for |
.Allow children the space to voice their opinions,____ they are different from your own.
| A．until | B．even if | C．unless | D．as though |
You should be _________ of your ______ behaviour.
| A．shameful; ashamed | B．ashamed; shameful |
| C．guilty; shameful | D．sorry; shameful |
______ for the free tickets, I would not have gone to the films often.
| A．If it is not | B．Were it not | C．Had it not been | D．If they were not |