He has given me so much help that I really want to do something for him ______.
| A．in turn | B．by turns |
| C．in return | D．in answer. |
Twenty-six journalists from 19 media organizations of different countries and regions are the first ones_______ the unrest of “the Red-shirts” in Tailand capital.
| A．covered | B．covers | C．to cover | D．covering |
The April 10, 2010 air crash, with a Russian Tu-145 plane _______ Poland’s president Lech Kaczinsky, his wife and many Polish government and military officials, shocked the whole world.
| A．carried | B．being carried | C．carrying  |
D．to carry |
China has warned America that it_______ be responsib
le for its arms sale to Taiwan.
| A．can | B．may | C．will | D．shall |
—Driving after drinking alcohol should be punished, I think.
—Sure, it is several months________ the ban came to effect in the whole country.
| A．before | B．until | C．since | D．after |
In the past few months, a discussion ________about whether selecting “Three Goods” Students in elementary and middle schools should be cancelled.
| A．has to be held | B．has been held | C．has been holding | D．was held |