We can’t do research in that area without getting the permission from the local authorities. They have control over these matters and could arrest us if we tried to work there without their consent.

A.do research in that area B.getting the permission from the C.have control over D.could arrest us if we tried E.没有问题

What is the most（ ） sport in Europe? Do you think it’s football, as in China?

If you are worried about your English, you should do something to it. You could readmore often, for example, or perhaps take a refresher course.

I don’t write （1）letters these days, just an occasional one to an aging aunt of mine. Ordinarily I use e-mail to stay in（2） with people.

The meeting was originally scheduled for 9:30, but we’ve just heard that it’s been （ ）till 3 o’clock this afternoon. I’m not （ ）why this time has been changed.句意: 会议原本定在九点半，但我们刚刚听说它被推迟到今天下午三点钟了。没人通知我为什么改时间。

Wang Ping, we’d like you to （1）an argument for us, since you’re good at geography. Which province is（2） , sichuan or Heilongjiang?