34. He quickly adapted himself to ____in the countryside.
| A．live | B．living | C．be living | D．Lived |
—Why was Mr. Liu thundering in the classroom yesterday?
— A student’s interrupting his speech _____the burst of his anger.
| A．set up | B．set off |
| C．set about | D．set out |
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 |