1. I don’t know what to do.

2. Could you tell me where to find more information about this?

3. He’s not sure when to start the computer.

4. They wondered how to deal with this problem.

5. I can’t decide whether to answer his letter.

6. Tell me how to improve my pronunciation of English.

7. He has no idea who to call for help in case of emergency.

8. He asked his father when to leave for the bus tomorrow.

9. She wondered how to tell this news to her parents.

10. My mother couldn’t decide how much money to spend on Tet holiday.

$\text{1.}$I don’t know what to do.

$\text{2.}$Could you tell me where to find more information about this?

$\text{3.}$He’s not sure when to start the computer.

$\text{4.}$They wondered how to deal with this problem.

$\text{5.}$I can’t decide whether to answer his letter.

$\text{6.}$Tell me how to improve my pronunciation of English.

$\text{7.}$He has no idea who to call for help in case of emergency.

$\text{8.}$He asked his father when to leave for the bus tomorrow.

$\text{9.}$She wondered how to tell this news to her parents.

$\text{10.}$My mother couldn’t decide how much money to spend on Tet holiday.