You should make it a rule to leave things ________you can find them again.
| A．when | B．where | C．then | D．there |
We are now living in _______ world where computers rule our work and daily life．So online searches have already become _______ must．
| A．a；the | B．a：a | C．the；a | D．the；／ |
What impressed me most in his report lies in the words to bring about an _________ of the conditions of the working men and women．
| A．improvement | B．advance | C．increase | D．achievement |
________ it comes to the increasing use of motor vehicles in the cities，some people think it should be limited．
| A．Because | B．Once | C．When | D．While |
Only in recent years ________ realized that ability training is more important than profession
Training.
| A．people have | B．people had | C．were people | D．have people |
I can hardly imagine his arguing with his boss. He always ________ me as a cool-headed man
| A．strikes | B．takes | C．treats | D．regards |