rewrite without changing the meaning?

Use a phrase or clause of purpose to combine each pair of sentences below.

1. The boys stood on beaches. They wanted to get a better view. ( làm 2 cách giùm mình)

=> The boys stool on beaches so as to get a better view.

=> The boys stool on beaches in order to get a better view.

2. We lower the volume of the radio. We don't want to bother our neighbours. ( làm 2 cách giùm mình)

=> We lower the volume of the radio so as not to bother our neightbours.

=> We lower the volume of the radio in order not to bother our neightbours.

3. I'll write to you. I want to know my decision soon.

=> I'll write to you so as to know your decision soon.

4. These men were talking in whispers. They didn't want anyone to hear their conversation.

=> These men were talking in whispers in order that nobody could hear their conversation.

5. The boy feigned loudly. He hoped we didn't make him work.

=> The boy feigned loudly so that we wouldn't make him work.

6. The man spoke loudly. He wanted every body to hear him work.

=> The man spoke loudly so that everybody could hear him clearly.

7. Doris often goes home as soon as the class is over. She doesn't want her mother to wait for her.

=> Doris often goes home as soon as the class is over so that her mother couldn't wait for her.

8. John gets up early. He doesn't want to be late for class. ( làm 2 cách giùm mình)

=> John gets up early so that he won't be late for class.

=> John gets up early in order that he won't be late for class.

9. Mary hid the novel under her pillow. She didn't want her father to see it.

=> Mary hid the novel under her pillow so that her father wouldn't see it.

10. Alice prepares her lesson carefully. She wants to get high marks in class. ( làm 2 cách giùm mình)

=> Alice prepares her lesson carefully in order that she will get high marks in class.

=> Alice prepares her lesson carefully so that she will get high marks in class.