— Would you mind my sitting here?— ____. It’s for Miss Green.
| A．Of course not | B．Not at all |
| C．You’d better not | D．Never mind |
-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 |
-Have you got any books on English grammar? I want to borrow _______.
-Yes, here you are. But you must return it by Friday.
| A．one | B．it | C．some | D．that |
-My father with my grandparents _______ Shanghai.
-Really? _______ will they come back?
| A．have been to; How soon | B．has been to; How long |
| C．has gone to; How soon | D．has gone to; How long |
-Your mother _______ take a bus to work?
-Yes. But now she usually goes to work on foot.
| A．use to | B．used to |
| C．was used to | D．is used to |