1.A party will be prepared by my sister next Saturday

2.10,000 cars is produced by this factory each year

3.Nam said that his sister liked cooking

4. Mary asked Phuong if Ha Long Bay was in northern of Viet Nam

5.The question is too difficult that I can't understand it

6.It is very simple to use a computer

7.The woman who is Ha's mom is talking to our form teacher

8.She asked him:"Will he stay with his friends the next day?"

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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? "