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1. A party will be prepared by my sister next Sunday.
2. 10,000 cars are produced by this factory each year.
3. Nam said that his sister liked cooking.
4. Mary asked Phuong if/whether Ha Long Bay was in the Northern Vietnam.
5. The question is too difficult for me to understand.
6. It is very simple to use a computer.
7. The woman who is talking to our form teacher is Ha's mother.
8. She asked him "Will you stay with your friends tomorrow? "