1 I / fall / send / some / document / last week.

2 Bach Ma national park / be located / centrol VN / the province / Thua Thien Hue.

3 I / highly / apprepeiate / the staff / be heplful courteous

4 Bach Ma national park / cover / area / of about 22000 ha / the disticts of Thu Loc / Nam Dong

không chắc lắm

1.spent

2.was

3.traverled/visited

4.went

5.learned

6.were

7.didn't rain

8.saw

9.did you spend

1. The children whose grandmother tells them those stories every evening like the funny stories.

2.    Jack London, who wrote “Iron heel”, is a famous American writer.

3.the boy who is sitting next to Mary is Jack

4.     I didn’t receive the letter which my mother sent me last month.

 
5.The factory  which we visited yesterday makes exported furniture.

6. The baby likes those songs which His grandmother sings every evening. 

1) you can't visit the United States unless you get a visa
=>If you get a visa, you can't visit the United  States.

2.'can I borrow your typewriter, Janet?' asked Peter
=> Peter asked if i borrowed his typewriter.

3.She started working as a secretary fiver years ago
=>She has started working at a secretary for five years.

4.My French friend finds driving on the left difficult
=> My French friend isn't easy to 

5.They think the owner of the house is abroad
=>The owner

6.We didn't go on holiday because we didn't have enough money
=>IF we

7.The children couldn't go swimming because the sea was very rough
=> the sea was too

8.What a pity you failed your driving test!
=>I wish you  didn't fail  your driving test. 

9.The mechanic serviced my car last week
=>I

10.I'm always nervous when I travel by air
=>Traveling

11.He could not afford to buy the car
=>The car couldn't  be afforded to buy by him

12.'Why don't you put your luggage under the seat?' He asked
=> He suggested me should put my luggage under the seat.

13.Although he had a good salary, he was unhappy in his job
=>In spite of

14.He was annoyed because his secretary came late to work
=> He objected

15.I'm sorry I missed your birthday party
=> I wish i didn't miss  your birthday party.

16.They haven't cleaned the streets this week
=> the streets haven't been cleaned this week

17.Apples are usually cheaper than oranges
=> Apples are not more expensive than oranges.

18.I advised you to put your money in the bank
=>You'd  put your money in the bank.

19.That restaurant is so dirty that no one wants to eat there
=> It is such

20.John only understood very little of what the teacher said
=>John could hardly

21.Unless someone has a key, we can't get into the house
=>We can only get

22.I'm sure you didn't lock the front door. Here's the key
=>you can't

23.He prefers golf to tennis
=>He'd rather

24.He's sorry now that he didn't invite Molly to his party
=> He wishes he  invited  Molly to his party

25.Bring your swimming things in case it's sunny
=> He told

26.There's no need for you to talk so loudly

=>you don't

27.I haven't been to Britol for three years
=> The last time, 

28.No one has signed this cheque
=> this cheque hasn't been signed

29.Jim will be 18 next week
=> It's Jim's

30.Unless he phones ummediately, he won't get any information
=> IF

31.How long is it since they bought the house
=> when did they  buy the house?

32.He couldn't repair the broken vase
=>The broken vase couldn't be repair by him.

33.The garden still needs digging
=> The garden has not

34.Have you got a cheaper carpet than this
=> Is this

35.I can't get my feet into these shoes
=> These shoes can't be gotten my feet into

36.I'm very pleased that we shall meet again soon
=> I'm looking forward to meeting from our .

37.Keep away from this area said the security guard when we approached the fence

=> the securyty guard told

38.I've never met such a famous person before
=> It's

39.This pudding can be cooked in its tin
=>You don't

40.It was so late that nothing could be done
=> It was too