There are ( ) people in my fanily.

There are ( three) people in my family.
Pass me the ruler.(进行肯定回答）
Here you are.
How much is the bike?(同义句）
（ what）the( price)of the bike?
How much is your English book?(同义句） （ what）（ is）the( price)( of)your English book?
-When did you start to do this Saturday?
-At the (age)of eight.
Sorry,I can't.Linda is waiting for( you).Tell (her )I am looking for my pencils.