_______ with care, one paper-bag will last for six weeks.
| A．Use | B．Using | C．Used | D．To use |
I’m afraid I’m not _____ to help with the show, for I am fully occupied with my own project.
| A．acceptable | B．adaptable |
| C．available | D．accessible |
I bought a dress on sale for only 20 dollars; it was really a good ______.
| A．deal | B．exchange | C．trade | D．business |
—The party will start at 7: 00 sharp．Come earlier.
— _____________.
| A．Good idea | B．You’re right |
| C．I think so | D．I will |
As the famous saying _______, two heads are better than one.
| A．mentions | B．goes | C．tells | D．instructs |
______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west．
| A．That | B．When | C．Where | D．Though |