_____ by the advances in technology, many farmers have set up wind farms on their land.
| A.Being encouraged | B.Encouraging |
| C.Encouraged | D.Having encouraged |
Tommy, you____ be hooked on the Internet all day. You may fall behind others in study.
| A.mustn’t | B.shan’t | C.can’t | D.needn’t |
— Did you happen to hear the recent news?
—Yes, Alice ____ the entrance examination, which I find hard to believe.
| A.fails | B.had failed | C.failed | D.will fail |
I had planned for the housecloser to a river, but I was told there was a danger of flooding.
| A.built | B.to be built | C.being built | D.be built |
—Must I turn off the gas after cooking?
—Of course, you can never be ____careful with that.
| A.enough | B.very | C.so | D.Too |
My mother is always warning me when I go out, “Don’t get off the bus ____it is stopping.”
| A.until | B.before | C.while | D.After |