_______ that we were watching hisevery move, so he seemed to be going his own way in this business

I walk ______ the square after supper every day, so I know very well every small shop there.

What we need to settle in this area now is how to ________ all the hyacinth (水、葫蘆), which can make the water dirty.

We’re living in asociety_________ exchanging ideas is an important part in communication

He hated the war so much that he decided to leave the army _____