Only in this way ____to make an improvement in the operating system.
| A．you can hope | B．you did hope | C．can you hope | D．did you hope |
We haven't met for years，but we still ________greetings by email on festivals.
| A．change |
| B．replace |
| C．exchange |
| D．transfer |
They received a proportion of their ________from the sales of goods and services.
| A．income |
| B．pay |
| C．wage |
| D．expense |
－The tree is so tall.
－Yes. It ________nearly 20 meters.
| A．measures |
| B．is measured |
| C．measure |
| D．to be measured |
(2012年福建周宁十中高三月考， 22)
－I think we can do it right now. Not tomorrow.
－________！Let's get down to it now.
| A．I'm sorry |
| B．Come off it |
| C．You're dead right |
| D．Absolutely not |
Tu Youyou，the 81yearold doctor，has become the first scientist on the Chinese mainland ________a Lasker Award.
| A．winning |
| B．won |
| C．to win |
| D．win |