Trả lời:

C1:

1, The building has now been rebuilt which was destroyed in the fire.

2, We study with Mr. John who is a very good and funny teacher.

3, I talked to the man who was very kind yesterday morning.

4, They are repairing the house which they bought it last July.

5, I'd like to visit the Citadel in Hue which was built under the Nguyen Dynasty.

C2: (bn chỉ cần điền phần mik gạch chân và bôi đậm là đc)

1, In many countries worldwide people crowd the streets to watch colorful parades on Easter Day.

2, Although her house is near the beach, she rarely goes swimming.

3, Vietnamese people are pround of their traditional celebrations.

4, It was very considerable of you to send me such beautiful flowers

  ~HỌC TỐT~

1/ 

1. The building has now been rebuilt which was destroyed in the fire

2. We study with Mr. John who is a very good and funny teacher

3. The man whom i talked to him yesterday morning was very kind

4. They are repairing the house which bought last July

5. I'd like to visit the Citadel in Hue which was built under the Nguyen Dynasty

2/ 

a. worldwide

b. rarely

c. traditional

d. considerate