．I don’t think it is going to rain the day after tomorrow, _______?
| A．do I | B．don’t I | C．is it | D．isn’t it |
If you come to visit China, you will ______ a culture of amazing depth and variety.
| A．develop | B．create |
| C．substitute | D．experience |
— Can you come to a party on Saturday, Peter?
— Oh, ______I'm already going out, I'm afraid.
A. what a pity! B. don't ask!
B. C. how come? D. so what?
Much time _____ sitting at a desk, office workers are generally troubled by health problems.
| A．being spent | B．having spent |
| C．spent | D．spending |
Schools should be lively places where individuals are encouraged to _____ to their greatest potential.
| A．accelerate | B．improve |
| C．perform | D．develop |
The number of smokers, _____ is reported, has dropped by 17 percent in just one year.
| A．it | B．which | C．what | D．as |