us
                    - _______ of us has some bad habits. We must get rid of them.
 - I think important for us to learn a foreign language well.
 - All of us found ________ hard to get along with him, he was too strict with others but not with himself.
 - We have friends to help us fight against pollution, and trees are one of ________.
 - The teacher tells us not to_________[lɑ:f] at others.
 - Miss Liu is English teacher. She teaches English very well.
 - Miss Li is _________ English teacher. She teaches _______ English very well.
 - Miss Li has taught ____ English for about 3years.—You are lucky. ____ is a very good teacher.
 - Miss Li has taught ____ English for about 3 years.—You are lucky. ____ is a very good teacher.
 - Mrs Liu teachesEnglish. We likeclass very much.