根据句意、中文提示或英文释义,写出句中所缺单词，使句子通顺。
1. We should be brave enough to __________ (面对) all the difficulties.
2.When did Audrey __________ (come into) the film industry?
3.The students always ___________ (拒绝) to do so much homework every day.
4.The detective thought he had a criminal ___________.
5.Our earth is becoming more and more crowded and (受污染的).
---May I go home right now?
---No, you____. You must finish your work first.
A. don’t B. can’t
C. needn’t D. mustn’t
It is very kind ____ you to help me with these maths problems because it is very difficult ____ me to work them out.
A. of; for B. of; of
C. for; of D. for; for
— Linda, could you tell me ______?
— He is an actor.
A. what he does B. what does he do
C. where he works D. where does he work
______ he has make during the course!
A. What good progress B. What a good progress
C. How good progress D. How a good progress
---Who is ______ teacher in the white T-shirt?
---Oh, that is my English teacher, Peter.
A. / B. a
C. an D. the
