He has a great interest in tennis and ______ it twice a week over the past year.
| A．plays | B．played |
| C．had played | D．has been playing |
_____ at the end of next month, the stadium is being built day and night by the construction workers.
| A．Completing | B．To be completed | C．To complete | D．Completed |
Practising Chinese Kung Fu can not only ______ one’s strength, but also develop one’s character.
| A．bring up | B．take up | C．build up | D．pull up |
---What’s that noise?
---- Oh, I forgot to tell you. The new machine ____________.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
I have reached a point in my life _____ I am supposed to make decisions of my own.
| A．which | B．where | C．how | D．why |
---- Is there any possibility _______ you could pick me up at the airport?
---- No problem.
| A．when | B．that | C．whether | D．what |