1. "Is the Golden Gate Bridge in San Francisco?" Hoa said to Tim. (Change
into reported speech.)

=> Hoa told Tim if the Golden Gate Bridge was in San Francisco.
2. Mrs. Thu is going to ask a lumber to fix the faucets. (Use the causative
form with "have" instead of "ask")

=> Mrs. Thu is going to have the faucets fixed by a lumber.
3. Nam gets up early every morning. He doesn't want to be late for school.
(Combine into one sentence, using "in order to")

=>  Nam gets up early every morning in order not to be late for school.
4. They built the house over 50 years ago. (Change into the passive form)

=> the house was built over 50 years ago. 
5. "Could you take me home?" (Rewrite the sentence, using Would you mind ?")

=> Would you mind taking me home?
6. Christmas songs were first performed eight hundred years ago. (Make
question with When')

=> When were Christmas songs first performed ?

#TIB

1. Hoa asked Tim if the Golden Gate Bridge was in San Francisco.
2. Mrs. Thu is going to have a lumber fix the faucets.
3. Nam gets up early every morning in order not to be late for school.
4. The house was built over 50 years ago
5. Would you mind taking me home?
6. When were Christmas songs first performed?