In old China, the poor suffered from cold and hunger ________ the rich enjoyed all the good things of life.
A. asB. whenC. whileD. therefore
The bus stop is just ________ the road. You can’t miss it.
A. acrossB. throughC. onD. beyond
Now people have come to realize ________ harmful pollution is.
A. that whatB. itC. that howD. how
Be sure _______ when you enter the cave. Otherwise, you’ll hit your head on the rocks.
A. to bendB. bendsC. will bendD. bending
---Can I park my car here?
---Yes. You can park on ______ side of this road.
A. eitherB. neitherC. bothD. all
I didn’t know __________________.
A. how many times he has been to his favourite place of interest
B. why did he go to France
C. What’s the matter with the Ipad bought yesterday
D. who to ask for help when in trouble