1. necessary

2.fairness

3.effective

4.expensive

5.improvement

6applications

7.unhelpful

8 obstructive

9 settlement

10threatening

9.

1D

2B

3A

4C

5A

6D

7C

8B

9D

10A

castles

exercise

bench

lunch

once

surf the internet

agent

three

mite

swim

1.be brought

2.have been

3.looking

4.turn

b.1are called

2.meeting

3.has, been

4.was pulled

Collecting old newspapers was useless.

1.What is happening

2. She speaks

3. Everybody is waiting

4. do you pronounce

5 is not working

6 is improving

7 lives

8 I am starting

9 They are visiting

10 does your father do

6. b

7.could

8. hearing

1.on

2.That would be great.

3.That would be great

4speaking

6took

7.an exchange

8.reputation

1.Association

2.should practice

3.being taken

4.on

2.of

3.fond of

2.Dormitory

3 reputation

4 Mausoleum

5 casual

5 I will

6 match

6 being taken

7 on

4 for a long time

5 were made

1.B

2.C

3.B

4.C

5B

6C

7C

8C

9B

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bài dài quá

It was known that the museum has been rebuilt before.