1. The birds (be)____scared and (fly)____away if the birdwatchers (make)_____loud noises.

2. I (take)____the laptop back to the shop if you (not know)____how to fix it.

3. John and Ann (feel)_____disappointed if nobody (come) _____to their party.

4. If I (need)____money to buy a dictionary, you (lend)____me some?

5. I (be)____surprised if you (fail)_____the exam.You're working so hard.

6. We (help)____you to do the housework if we (have)____time.

7. If you (throw)____plastic bags into the sea, the fish (eat) ____them and (die)_____

8. You (cause)_____a forest fire if you (make)_____a campfire and then (leave)_____it unattended.

Sửa lỗi sai.

1. You are not allowed fishing in the stream in the national park.

2. Trees usually are grown well in this soil.

1, We should stop doing anything to ........ wildlife. (danger)

2. Can you live ....... of your parents? (dependence)

3. People study yoga for a ......of reasons. (vary)

4. Endangered animals should be bred in......areas.(conserve)

5. the river near where I live is highly.....because of toxic chemicals. (pollute)

6. Air .....is a consequence of fossil fuel burning by motor vehicles, factories, aircraft, and rockets.(pollute)

7. In some national parks, tourists are not fully aware of .....protection. (environment)

8. Don't ask him questions about his family. He hates answering.....question. (person)

9. Noise pollution can cause stress and........ and health problems for human.(psychology)

10.............of oil will lead to the depletion of this natural resource.(exploit)

Bài 1: Sửa lỗi sai.

1. Scientists have tried to asses the impact of human activities on the environmental.

2. Ann asked Kirk if had he really written that story the previous day.

3. If I passed this exam, I'll go to the university next summer.

4. All new workers mustn't have a medical examination.

5. The chemical pollutants from cars and factories make the air, water, and soil dangerously dirtily.

6. Do you remember a name of the hotel which is at the end of this street?

7. He works at Heathrow Airport, that is one of the biggest airport in the world.

Bài 1: Sửa lỗi sai.

1. Have the students be told about the changes of their timetable yet?

2. When does your daughter practice singing all day for?- To become a singer.

3. Have you remembered to arranged travel insurance?

4. What would happen if the temperature is warmer?

5. The young has the future in their hands.

6. The sky is getting really and it'll storm.

7. The children were so amusing at the cartoon that they couldn't help laughing.

1. May you ___ happy all your life!

a.are

b. were

c. be

d. to be

2. It is our wish that you ___ enough rains to love the sun shines.

a.having

b. had

c. have

d. to have

3. ''Should I begin typing these letters?'' ''I suggest ____bookkeeping first''.

a. you finished

b.you to finish

c. you finish

d. you will finish

1. We will answer you in writing, If needs ___

a.is

b. will be

c. would be

d. be

2.I wish I ___ how to control the tsunami.

a.know

b. knew

c. to know

d.to have known