Exercise 1. Underline the relative clauses in these sentences, and indicate if they are defining (D) or non-defining (ND). Add a comma where required. (Gạch dưới mệnh đề tính từ ở những câu này, và nói rõ phải chúng là xác định(D) hoặc không xác định(ND). Thêm dấu phẩy (,) nơi cần thiết.)

1. Washington D.C. which is located on the East Coast of the United States has many interesting and historical places to visit.

2. Brasilia which is located on the Granada River became the capital of Brazil in 1960.

3. Mexico City which has a population of nearly 20,000.000 is the largest metropolitan area in the world.

4. Seoul which hosted the 1988 Summer Olympics is well-known for its shopping centres.

5. Kyoto which used to be the capital of Japan has many temples.

Trả lời:

1. ND - Washington D.C., which is located on the East Coast of the United States . has many interesting and historical places to visit.

2. ND - Brasilia, which is located on the Granadá River, became the capital of Brazil in 1960.

3. ND - Mcxico City, which has a population of nearly 20.000.000 . is the laraest metropolitan area in the world.

4. ND - Seoul, which hosted the 1988 Summer Olympics , is well-known for its shopping centres.

5. ND - Kyoto, which used to be the capital of Japan , has many temples.