1. He apologized for the (convenient)____ he had caused.

2. For your (inform)___, the library is on the third floor.

3. This is one of the best (document) ____films showing the lives of working people.

4. The government has introduced some (effect)____ measures to reduce unemployment.

5. He is a (curiosity)___boy. He is always asking questions.

6. There is a large ____ of animals that live in Nairobi National Park. (vary)

7. We can't clean up our___ rivers and seas. (pollute)

8. The earth is being___ and the future looks bad. (threat)

9. His___ is still uncertain;he has been seriously injured. (survive)

1. The car owner sued the truck driver ___ the damage he caused to her car in the accident.

a. about

b.on

c.to

d.for

2. Non-renewable energy sources are running ____.

a.up

b. on

c. to

d. out

3. What do you think could be the negative effects of ___ computers?

a. overlooking

b. overtaking

c. overusing

d. overeating

4. Can you imagine what ___ if the air___ polluted entirely?

a. will happen/is

b. would happen/were

c. had happened/had been

d. happened/will be

Bài 1: Give the correct form of the words in the brackets to complete the sentences below.

1. My husband and I usually get on really well. The only thing we ever have any (agree)___ about is money.

2. Don't (understand)___ me. I really want to come to your party but I can't.

3. I like my work because I have the ___ to make my own decision. (free).

4. Minh is working as a (voluntary)___ for a charity.

5. We are all willing to do anything we can to help (home)___ children.

6. She hits the ball with great (accurate)___.

7. She's a very sweet child. Very (like) ___ indeed, not at all impolite like her sister.

8. _____claim that the virus among seals was caused by pollution.(environment)

9. Her sister plays the violin ___(beauty).

10. '' This is not good essay'',said the lecturer,''I find your arguments____''(convince)

1. She didn't like the fact that he had been treated so badly. (being)

She objected..................................

2. The teen singer is too young to make up his own mind. (enough)

The teen singer is......................

3. After six months, Joe's search for a job was successful. (managed)

After six months, Joe.....................

4. I find it difficult to remember names. (difficulty)

I....................

5. He tried very hard to give up smoking. (effort)

He.....................

1. If you want to help, remember ___ or use other non-polluting forms of transport whenever you can.

a. to walk

b. walk

c. walking

d. walked

2. Eco-tourists should be flexible and keep a sense of humor when___ things wrong.

a.went

b. goes

c. go

d. going

3. Don't be afraid ___ the holiday company about what they do that is 'eco'.

a. about asking

b. to asking

c. asking

d. to ask

4. ''Eco'' is very fashionable today and a lot of holidays that ___ as ecotourism are not much better than traditional tourism.

a. advertise

b. are advertised

c. are advertising

d. advertising

5. The damage to local communities, customs, and crafts that result ___ the arrival of huge groups of tourists.

a. to

b. from

c. in

d. for

1. If you buy souvenirs made from endangered animals or plants, you ___ contribute to making them become extinct.

a. would

b. might

c. could

d. are

2. You ___ help the local people if you buy local products whenever possible and pay a fair price for what you buy.

a. could

b. would

c. wouldn't

d. will

3. Every year, millions of people descend ___ protected and pristine natural areas to observe rare species.

a.on

b. at

c. in

d. to

4. A number of reports have cast doubt___ the value of ecotourism.

a.with

b. about

c. in

d. on

5. It's hard to deny that humanity has played a pretty big role in changing nature ___ the worse.

a.with

b. to

c. for

a.at

Bài 1: Sửa lỗi sai:

1. Tourists can apply to the principles of ecotourism whenever they go for their holiday.

2. Tourists should learn about the place that going to visit.

3. Have respect for local culture by wearing clothes that will not offend local people and ask them for permission before you take a photograph.

4. Remember the phrase'' Leave nothing behind you expect footprints and taking nothing away expect photographs''