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—How many times have you been to China?
—In fact, it is the first time that I__________ here.
| A．was | B．have been | C．had been | D．am |
Tony ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
| A．has worked | B．worked | C．is working | D．had worked |
When you are at home，give a call to let me know you safely．
| A．are arriving | B．have arrived |
| C．had arrived | D．will arrive |
They in Holland for ten years. Now they have settled down in Paris.
| A．lived | B．have lived | C．had lived | D．were living |
A Midsummer Night's Dream________ at the Theatre Royal on 19th June, and then tours throughout Scotland.
| A．opens | B．is opened | C．will open | D．will be opened |
Since the recent river pollution in several provinces, people _______ more and more attention to the quality and safety of drinking water.
| A．pay | B．are paying | C．have paid | D．have been paying |
Yesterday afternoon, I ______ basketball with my classmates for two hours.
| A．play | B．played | C．have played | D．had played |