1. Tokyo will be sunny. It is the capital city of Japan.

-> Tokyo which is the capital of Japan will be sunny.

2. The woman is my English teacher. She is talking with Miss Thao.

-> The woman who is talking with Miss Thao is my English teacher.

3. Tom failed the exam. That made his parents disappointed.

-> Tom falied the exam which made his parents disappointed.

4. London will be cloudy. It is the United Kingdom of Great Britain.

-> London which is the United Kingdom of Great Britain will be cloudy.

5. Moscow will be rainy. It is the capital city of Russia.

-> Moscow which is the capital city of Russia will be rainy.

6. My mother gave me a gift. That made me very happy.

-> My mother gave me a gift which made me very happy.

7. Bangkok will be sunny. It is the capital city of Thailand.

-> Bangkok which is the capital of Thailand will be sunny.

8. The man is my uncle. He is standing with his friends over there.

-> The man who is standing with his friends over there is my uncle.

=>
1. Tokyo, which is the capital city of Japan, will be sunny.
2. The woman, who is talking with Miss Thao, is my English teacher.
3. Tom failed the exam, which made his parents disappointed.
4. London, which is the United Kingdom of Great Britain, will be cloudy.
5. Moscow, which is the capital city of Russia, will be rainy.
6. My mother gave me a gift, which made me very happy.
7. Bangkok, which is the capital city of Thailand, will be sunny.
4. The man, who is standing with his friends over there, is my uncle.