Thay đổi câu hỏi trong ngoặc thành một mệnh đề danh từ

Bài 1: Thay đổi câu hỏi trong ngoặc thành một mệnh đề danh từ
1.(How old is he?)
I don’t know ...................................................................................................................
2.(What was he talking about?)
..............................................................................................................was interesting.
3.Where do you live?)
Please tell me ...............................................................................................................
4.(What did he say)
....................................................................................................................wasn’t true.
5.(How much does it cost?)

I can’t remember .........................................................................................................

6.(Who is coming to the party?)

I don’t know .................................................................................................................

7.(Why did they leave the country?

.....................................................................................................................is a secret.

8.(Where did she go?)

.....................................................................................................is not your business.

9.(How many letters are there in the English alphabet?)

I don’t remember .........................................................................................................

10.(How old does a person have to be to get a driver’s license?)

I need to find out ...........................................................................................................