Have you ever been to ______ aquarium in Qingdao before?
It’s very difficult to learn English well , but you can’t___.
—Lisa has made great progress these days.--_____ , and ______.
It’s too late. All of us are very_____.
He got the first prize in the match and we are all____him.
Mr Smith is friendly___us ,But he is very strict_____our studies.