the course very difficult, she decided to move to a lower level.
| A．Find | B．Finding | C．To find | D．Found |
Sandstorms in Asia seem _____ in recent years as a result of desertification.
| A．to increase | B．to have increased |
| C．having increased | D．increasing |
If you don’t like the drink you _____, just leave it and try a different one.
| A．ordered | B．are ordering |
| C．will order | D．had ordered |
You don’t need to describe her. I _____ her several times.
| A．had met | B．have met | C．met | D．meet |
—Oh, it’s you, I _____ recognize you!
—I’ve just had my hair cut. And I _____ my glasses.
| A．didn’t, wear | B．didn’t, am wearing |
| C．don’t, have worn | D．don’t, am wearing |
—Nancy is not coming tonight.
—But she _____!
| A．promises | B．promised | C．will promise | D．had promised |