Playing on a frozen sports field sounds like a lot of fun. Isn’t it rather dangerous, ____?
| A．though | B．also | C．either | D．too |
Those who can achieve high grades in class tend to be weak in handling some practical problems, ________ is often the case.
| A．which | B．as | C．it | D．That |
This drug is less likely to cause side effects when ________ late in the day.
| A．taking | B．taken | C．to take | D．takes |
Under the Dome, a documentary self-funded by Chai Jing, has rapidly increased ________ public’s awareness about ________ air pollution.
| A．/; / | B．a; the | C．the; the | D．the; / |
—Are we going to be late for the movie?
—________. We still have half an hour before the movie begins.
| A．Hurry up | B．Enjoy your time |
| C．Good luck | D．Take your time |
A car was burning on the highway near Birmingham. In no time _____ to the spot.
| A．the police had rushed |
| B．had the police rushed |
| C．the police rushed |
| D．did the police rush |