.You should try to _____ new circumstances as quickly as you can
The fireman couldn’t __________ what the dark thing was through the heavy smoke.
We are now living in _______ world where computers rule our work and daily life.So online searches have already become _______ must.
What impressed me most in his report lies in the words to bring about an _________ of the conditions of the working men and women.
________ it comes to the increasing use of motor vehicles in the cities,some people think it should be limited.
Only in recent years ________ realized that ability training is more important than profession Training.