The two countries are going to meet to _______ some barriers to trade between them.
| A．make up | B．use up | C．turn down | D．break down |
Look, dark clouds are gathering. It is________ to rain soon.
| A．probably | B．possibly |
| C．likely | D．perhaps |
As is known to us all, English books of this kind ______ well in middle schools.
| A．sell | B．sells |
| C．is sold | D．are sold |
I have finished a large part of the book; the rest ______ more difficult.
| A．were | B．are | C．was | D．is |
I’ll _______ the matter as soon as possible. Just have a little patience.
| A．look over | B．look on |
| C．look into | D．look for |
Whoever comes here to have the meeting will be treated ________ a wonderful dinner.
| A．to | B．with | C．for | D．on |