It’s burning hot today, isn’t it ?—-Yes, __________ yesterday.

______ environmental damage is done, it takes many years for the ecosystem to recover.

Only when they were told of the importance of time ________ wasting time is like wasting part of their lives．

If you ______ succeed, apply yourself to the job after finding the proper ______ to doing it.

There is a very big river _____ their school _____ the village.