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39. We/ suggest/ that/ government/ limit/ the number/ visitors/ daily
……We suggested that the goverment limit the number of visitors daily…………………………………………………………………………………..
40. There / be/ dramatic/ increase/ the number/ people/ travel/ abroad/ recent years
……There is a dramatic increase in the number of people travelling abroad in recent years………………………………………………………………………………………..
II. Write sentences, using the cules given.
1. traffic system/ Ho Chi Minh City/ be / upgraded/ the last five years
->Ho Chi Minh City was upgraded traffic system the last five years
2. he/ be/ disappointed/ see/ be/ not/ the party.
->he is disappointed to be not seen at the party.
3. it/ be/ impossible/ me/ wear/ rubber sandals/ school.
->it is impossible for me to wear rubber sandal at school
1 the traffic was bad . i arrived on time ( rewrite the sentences using '' although '' )
although the traffic was bad , i arrived on time.
2 it / be / necessary / you / practice english / every day ( complete the sentence )
it is necessary for you to practice english everyday.
3 my sister is interested in ( read ) reading magazines
4 i would answer the question immediately if i (know ) known the key
5 trang usually (look ) looks out of the window while the teacher is teaching
6 they ( work ) have worked in this company for two years
7 when i came yesterday , my car was being repaired ( repair )
8 hoa / wish / she / can / visit / parents
hoa wish she could visit her parents.
9 i / think / we / should / go / work / bike / instead / motorbike
i think we shoukd go to work by bike instead of by motorbike.
10 they / to / classroom / be / the / outside / prefer
they prefer to be out side the classroom .
11 glad / able / i / are / am / to / come / that / you
i am glad that you are able to come.
1 2 serious / air / vietnam / problem / and / is / countries / pollution / in / a / many
air pollution is a serious problem in many countries in vietnam.
1 the traffic was bad . i arrived on time
( rewrite the sentences using '' although '' )
=> although the traffic was bad, I arrived on time.
2 it / be / necessary / you / practice english / every day
( complete the sentence )
=> it's necessary for you to practice English everyday
3 my sister is interested in ( read ) magazines
=> reading
4 i would answer the question immediately if i (know ) the key
=> knew
5 trang usually (look ) out of the window while the teacher is teaching
=> looks
6 they ( work ) in this company for two years
=> have worked
7 when i came yesterday , my car ( repair )
=> was being repaired
8 hoa / wish / she / can / visit / parents
=> Hoa wishes she could visit her parents
9 i / think / we / should / go / work / bike / instead / motorbike
=> I think we should go to work by bike instead of motorbike
10 they / to / classroom / be / the / outside / prefer
=> 3 câu còn lại hình như không xếp thứ tự từ nữa --> từ từ, nghĩ ra thì gửi cho, còn giờ ...... đau mắt quá T_T!!
11 glad / able / i / are / am / to / come / that / you
=>
12 serious / air / vietnam / problem / and / is / countries / pollution / in / a / many
1. They (be) have been my best friends for ten years.
2. Why he (go) went to school late this morning ?
- Because he (stay) stayed up late last night
3. That man ( catch) has caught any fish yet
4. Could you be quite, please ? I ( listen) am listening to the radio
5. How many times he (call) has called since he came to New York?
6. where your father (be) been since 1999
7. If the boy (eat) eats the waste food , he (be) will be ill
8. It (not rain) didn't rain the next day If the sky ( be) would be red in the evening
9. How long you (learn) learn English?
10. Ngoc ever (love) has love him.
Tourism has been identified as one of the world's largest industries for a long time.
In recent years there has been a lot of tourism development in Asia and in the Middle East.
Economically, tourism can create jobs for local people and bring money for the country.
Thanks to development in tourism, the average living standard of people has increased very well.
Tourism can provide governments extra tax revenues each year.
Tourism can be an opportunity to discover different cultures in the world.
Too many tourists can have negative impact on the quality of life
Tourism is largely responsible for the destruction of many or most of beautiful places left over the Earth.
These days green travellers turn away all-inclusive package deals because of their negative environment impact.
The main aim of ecotourism is to reduce the negative impact that tourism has on the environment.