Would you please be quiet? The baby .
| A．sleeps | B．is sleeping |
| C．has slept | D．will sleep |
-Could you look after my pet dog for me while I am away?
- _______.
| A．No, thanks . | B．It's my pleasure |
| C．I'm sure you will | D．With pleasure |
-When will you go back to your hometown? - _______.
| A．Until the work is finished |
| B．Not until the work is finished |
| C．After the work will be finished |
| D．As soon as the work will be finished |
The flowers in the shop _______, so they _______ well.
| A．are smelled better; are sold | B．are smelled well; sell |
| C．smell terrible: are sold | D．smell nice; sell |
-Can you show me _______ to use this kind of camera?
-Sorry, I don't know, _______.
| A．how; either | B．what; too |
| C．how; too | D．what; either |
The purpose of new inventions is _______ life more difficult, but to make it easier.
| A．not make | B．not making |
| C．not to make | D．do not make |