Understanding Chap 12 Noun Clauses pgs. 241 ex 2 - Combining Sentences

Question: When are they coming? Answer: Do you know ____________________ ?

Do you know when they are coming?

Question: Whose pen is this? Do you know? Answer: Do you know _______________ ?

Do you know whose pen this is ?

Question: Which one does he want? Answer: Let's ask him.

Let's ask him which one he wants.

Question: Where do you live? Answer: Please tell me.

Please tell me where you live.

Question: What was he talking about? Answer: It was interesting.

What he was talking about was interesting.

Question: What did she say? Answer: It wasn't true.

What she said wasn't true.

Question: What are we doing in class? Answer: It is easy.

What we are doing in class is easy.

Question: Where did she go? Answer: It is none of your business.

Where she went is none of your business.

Question: Why did they leave the country? Answer: It is a secret.

Why they left the country is a secret .

Question: How much does it cost? Answer: I can't remember.

I can't remember how much it costs.

Question: Who is the mayor of New York City? Answer: I do not know.

I do not know who the mayor of New York is.

Question: How old does a person have to be to get a driver's license? Answer: I do not know.

I don't know how old a person has to be to get a driver's license.

Question: How old is he? Answer: I don't know.

I don't know how old he is.

Question: What happened Answer: I don't know.

I don't know what happened.

Question: Who is coming to the party? Answer: I don't know.

I don't know who is coming to the party.

Question: Who opened the door? Answer: I don't know.

I don't know who opened the door.

Question: Who are those people? Answer: I don't know.

I don't know who those people are.

Question: How many letters are there in the English alphabet? Answer:I don't remember.

I don't remember how many letters there are in the English alphabet.