1, The people who were arrested have now been released

2, In spite of the good weather, we stayed indoors

3, She had such many problems that she couldn't get to sleep

4, This bridge was built in the 19th century

5, He said that he had seen the car there the day before

6, Mr.Ba was given a gold watch by the company at this retirement 

7, If Sara didn't look very friendly, she wouldn't make friends easily

8,  It was not until he was 40 that he got married

9, My father allowed me to go out with Nam's father

10, How about coming around for dinner on Sunday?

11, In order to cover Jenny's school, she has to work part-time in a bookstore

12, Unless we make attempt to reduce air pollution, it will get worse

13, If we had time, we would have visited the museum

14, It took her 3 hours to correct the student's paper

15, Mai is not as good at physics as Mai

16, The wallet which with no name  John found

17, I am bored to tears by the movie

18,  Mary 's friend asked her what she would do the following Sunday

19, Although he is old, Mr. Benson runs 7 miles before breakfast 

20, Whatevers has everything you have ordered, we will deliver

1, ........who have now been released were arrested

2, ......the good weather, we stayed indoors.

3, .......such many problems that she couldn't..........

4, ........was built in the 19.........

5, ...... he had seen the car there the day before.

6, ......was given a gold ..... by the company.

7, .....doesn't look friendly, she will not make friends easily.

8, ......forty-five enough for him to get married.

9, .........nam to go out with his friends.

10, .......coming around for ....?

11, ....... cover her school experinces, jenny has to work part-time in a bookstore.

12,.........make attempts to reduce air pollution, it will get worse.

13, ........had had time, we would have visited the museum.

14, .......three hours for her to correct the students' papers.

15, ........as good at physics as mai.

16, ........john found, is not name in

17, ......interested in the sad movie.

18, .......asked what she would do the next sunday.

19, ........he was old age, .............

20, .........been ordered, we will deliver.