1  He _____ (wash) the dishes in the kitchen when I saw him yesterday evening.
2. Some old people are happy _____ (be) with the young ones.
3. Tom says he _____ (not watch) the video film tonight.
4. How _____ Bob _____  (go) to school every day except weekends?
5. "Mun, I saw a new kind of bike. It _____ (cost) only two hundred and fifty yuan,"  "Oh, really?"
6. Can she _____ (run) as fast as Helen ?
7. We_____ (visit) the Great Wall next week.
8. Don't _____ (talk) now.
9. Let's_____ (try) our best _____ (finish) the work in an hour.

1. It is polite to help those who are in t            .
2. There is no d             that computers are widely used in all kinds of areas.
3. Trees can p             the wind from blowing the earth away .
4. She is w              in English, let's try our best to help her improve it.
5. Liuxiang is regarded as our national h             .
6. Make sure that all               (垃圾) should be put into the dustbin.
7. We should learn a lot and master some               (基础的) skills when we are learning.
8. Computers are used in business to place and                (删除) orders .
9. When a child makes a little progress in studying , we should               (表扬) him for it.
10. What's the                (人口) of Laibin City? It's more than 2,450,000.

Zhou: Hi, Chen Lu, did you watch TV last night?
Chen: Yes. A lot of people lost their homes and even lives in the Sichuan earthquake (地震).
Zhou: That's really terrible. 1______
Chen. Perhaps we can have a party to raise money to help them.
Zhou: 2______ When shall we have it?
Chen: Let's make it half past seven tomorrow evening.
Zhou: 3______
Chen: Maybe in the school hall. I'll turn to our teachers for advice.
         Would you mind asking more classmates for help?
Zhou: 4______
Chen: Let's try our best to make it successful. 5______
Zhou: See you.

1. He ________(wash) the dishes in the kitchen when I saw him yesterday evening.
2. Some old people are happy _________(be)with the young ones.
3. Tom says he _________(not watch)the video film tonight.
4. How _______Bob ______(go)to school every day except weekends?
5. —"Mum, I saw a new kind of bike. It_____(cost) only two hundred and fifty yuan,"     
    —"Oh, really?"
6. Can she _______(run) as fast as Helen ?
7. We________(visit) the Great Wall next week.
8. Don’t _______(talk) now.
9. Let’s try our best _________(finish) the work in an hour.
10. She often_______ (visit) her aunt’s house last year.