Taobao．com has begun selling tickets online for international flights， to cut the market share of Ctrip．corn and other competitors．
| A．to aim | B．having aimed | C．aiming | D．being aimed |
—Jack, you water the flower today, ___?
— But, dad, I watered it yesterday.
| A．do you | B．will you | C．didn’t you | D．don’t you |
Dream of the Red Chamber is _____ worth _____ because we can learn a lot about the noble families in the feudal society.
| A．very; reading | B．well; to be read | C．well; reading | D．very; to be read |
In the Great Depression, the American government couldn’t find good solutions_____ the unemployment
problem.
| A．of | B．to | C．on | D．about |
It’s been years since I _____ myself so much.
| A．enjoy | B．enjoyed | C．have enjoyed | D．had enjoyed |
Could I have a cigarette? I seem to of them.
| A．have run out | B．use up | C．run out | D．have used up |