33. I haven't seen my uncle for 20 years

34. Columbus, who discovered America, was a great explorer.

35. Although the sign was in front of him, he didn't take any notice of it. 

36.  I suggest that waste paper should be collected for recycling by us

01. Natalie is the student who dropped out of college.
02. This novel, which I bought last week, is very interesting.
03. The explorer who discovered America was Columbus.
04. The car which won the race looked very funny, didn’t it?
05. We visited the City Museum, to which I had never been before.
06. I lent him “The Old Man and the Sea”, which is really easy to read.
07. Andrew is flying to Sacramento, which is the capital city of California.
08. The city which was struck by a huge earthquake in 1995 is Kobe.
09. The children saw the actual spacecraft that landed on the moon.
10. Forest fires which often start occurring during droughts cause a lot of damage.

* Complete each of the following sentences using relative pronouns.
1. Natalie is the student ………who……………dropped out of college.
2. This novel, …………which…………I bought last week, is very interesting.
3. The explorer ……………who………discovered America was Columbus.
4. The car …………which…………won the race looked very funny, didn’t it?
5. We visited the City Museum, to …………which…………I had never been before.
6. I lent him “The Old Man and the Sea”, ……………which………is really easy to read.
7. Andrew is flying to Sacramento, ……………which ………is the capital city of California.
8. The city …………which…………was struck by a huge earthquake in 1995 is Kobe.
9. The children saw the actual spacecraft ………which……………landed on the moon.
10. Forest fires …………which…………often start occurring during droughts cause a lot of damage.

Complete each of the following sentences using relative pronouns.

1. who

2. which

3. who

4. which

5. which

6. which

7. which    

8. which

9. which

10. which

6. The explorer was Christopher Columbus and he discovered America.
 The explorer .......................who discovered America was Christopher Columbus ..........................................................................................................................................................  
7. In spite of his good learning condition, he doesn't study well.
 Although .....................he has  good learning condition, he doesn't study well. ....................................................................................................................................................................  .
8. He didn’t marry until he was 40 years old.
 Not ..............until he was 40 years old did he married........................................................................................................................................................................................  .
9. Mary doesn't speak English so well as Jane.
 Jane   ........speaks English better than Mary..........................................................................................................................................................................................  .
10. She hardly did this exercise.
 Hardly………….. ..........did she do this exercise..........................................................................................................................................................  

6. The explorer who discoverd America was Christopher Columbus

7. Although he has good learning condition, he doesn't study well

8. Not until he was 40 did he marry

9. Jane speaks English better than Mary

10. Hardly did she this exercises

polluted -> pollution

which -> who

passing -> pass

to watch -> watching

1 C

đại từ quan hệ thay thế cho explorer là danh từ chỉ người làm chủ ngữ

2 D

Đáp lại lời khen 

3 C

for a long time: dấu hiệu nhận biết hiện tại hoàn thành

1 were watching

2 haven't seen

3 is coming

4 dicovered

5 will come

6 goes

7 isn't staying

8 was surfing

9 wrote

10 haven't received 

1. was watching 

2. haven't seen

3. is coming

4. discovered

5. will come

6.goes

7. isn't staying

8. was surfing 

9. wrote

10 haven't received 

6. 

1.       Last night we (watch) were watching TV when the power failed.

2.       I (not see) haven't seen him since last Sunday.

3.       Hurry up! The train (come) is coming  .

4.       Columbus (discover) dicovered America more than 400 years ago.

5. My mother (come) will come to stay with us next week.

6. She often (go) goes to a park near the river bank on Saturday afternoon. 

7. He (not stay) isn't staying at home at the moment.

8. I had a phone call while I (surf) was surfing the web.

9. I (write) wrote to my pen pal two months ago.

10. I (not receive) haven't received  your letter since last year.

- Topic : ________Christopher Columbus, a American Hero________________
Most Americans were taught in school that Christopher Columbus , an Italian navigator , '' discovered'' America in 1492 . Traditionally , Columbus has been a hero to Americans . Statues of him are everywhere in the morden United States , and his name appears all over the map of the U.S Cities and streets are named after Columbus . America itself is sometimes called '' columbia '' in his honor