The person we talked about ____ our school last week．
| A．visiting | B．will visit | C．visited | D．has visited |
In the current global economic crisis, China, though _______to some degree, is undoubtedly a country recovering the most rapidly from it according to some statistics.
| A．having affected | B．has been affected |
| C．affected | D．has affected |
_______ what would happen, none of them could find a way out.
| A．Left wondering | B．Having left wondering |
| C．Leaving to wonder | D．Having left to wonder |
—— Where did Mary’s parents buy the beautiful vase?
—— It was in the same village _______ they spent their holidays last year.
| A．that | B．when | C．as | D．where |
——Is there any possible way to help them get rid of such a bad habit?
——To tell the truth, it’s very hard. But we_______ on this problem.
| A．worked | B．had worked | C．are working | D．had been working |
Help others whenever you can _______ you will earn respect from others without difficulty.
| A．and | B．or | C．unless | D．but |