It is said that sandstorms will become more ________ as a result of global warming.
| A．frequent | B．normal | C．formal | D．rare |
Is there any possible way to help them get rid of such a bad habit?
--- To tell the truth, it’s very hard. But weon this problem trying to improve the situation.
| A．worked | B．had worked | C．are working | D．had been working |
If you keep on, you’ll succeed _____. Wish you success in the examinations.
| A．in time | B．at one time | C．for the same time | D．sometimes |
-Have you got your test result? -Not yet. The papers _____.
| A．are still being corrected | B．are not correcting |
| C．have already been corrected | D．have not corrected |
If you carry on working like this, you will _____ sooner or later.
| A．give off | B．get down | C．break down | D．hold on |
-What’s the old man standing there?
-He is _____, a new comer.
| A．Mr. White | B．an engineer | C．Joe | D．Joe’s brother |