1. We think a r ________will give us much help in the future.
2. I think we should make less p ________and keep the air clean.
3. There will be more tall b________ in our city.
4. There are some pieces of p________ on the desk, and you can write on them.
5. He likes surfing the I_________.

1. The doctor told her to exercise more to keep f______.
2. There were a lot of f______ visitors coming to Beijing in August 2008.
3.  We made a r______ to study hard last term.
4.  There are o______ 100 people in the big room.
5.  Our school b______a tall building last year.

1.  U________you tell me the truth.I won't help you.
2.  The b ook is very educational,  and it has a great i________on his life.
3.  I suddenly r_______how important it was.
4.  We hope the f________between two countries will last long.
5. With the d______of science, people can do many jobs easily.
6.  The world's population is one of the biggest c_______of the world today.
7.  I think s_________English is more difficult than wriltcn English.

1. If you want to drive a car, get the drive's l______first, please.
2. It was s______ of you to believe in him.  He is not an honest man.
3. My brother has been a Party m______ for ten years.He joined the Party when he was a college
student.
4. We want some v_____ to help the old man.
5. We should know the i_______ of studying hard, or we can't get good grades in the exams.
6. We need to conccntrate more on our s________ than other things if we want to get good grades.
7. At p _____ pollution is a serious problem.  We should do something to protect the environment.
8. Do you have any e_______ in keeping a pet? I think it's hard work for me.
9. It's easy for us to be s_________ in summer because it's too hot.
10. No one knows the r_______ to this question.  It's too difficult.
11. we all hope that we can a_________our dreams by working hard.

1.We are d_____ from them.
2."R_____"means  "again".
3.Can you s_____ the song in English?
4.I hope you r_____ to tell him about it.
5.Do you have a s_____ friend?
6.I'm good at ping-pong. That makes me u_____.
7.Can you write a letter to me to d_____ yourself?
8.Let me i_____ my friend to you.
9.Do you know how they c_____ the festival?
10.We should be c_____ in ourselves.