Sometimes I’m dying ______ him about it.
The purpose of a class is to teach you to think creatively and not to follow your teacher_________.
It’ll be another 50 years _________ China is expected to reach the level of a medium developed country.
What about todays temperature?-- Its the same as, if the weather report is exact as usual, ___ of yesterday.
Most environmental problems exist because adequate measures for preventing them ____in the past.
—Go for a picnic this weekend, OK?—__________. I love getting close to nature.