27．—I can’t find Fred．He is not at home．
—Why don’t try______him?

31.— Is Bob still performing?
—I am afraid not. He is said _______ the stage already as he has become an official.

A．to have left

B．to leave

C．to have been left

D．to be left

29._____ to sunlight for too much time will do harm to one’s skin.

27.Influenced by the economic crisis, the rate of unemployment in big companies has risen in the last 3 months , _____ 10 percent in average.

10.I was told that there were about 50 foreign students ____ Chinese in the school, most ____ were from Germany.

The sentence wants ____ once more.

Yesterday I went to see him, _________ that he had gone abroad two days before.

The bank is reported in the local newspaper_____ in broad daylight yesterday.

__________ to sunlight for too much time will do harm to one's skin.

2．--- What are you up to now?
--- I’m preparing for the interview__________tomorrow. After all, it is my first attempt.