`16.` My mother asked me if the food was good.
`17.` He told me that he had something to show me then.
`18.` He told Philip hee would come to see him as soon as she was ready.
`19.` The son told his mom that he was going away the next day.
`20.` Theyasked me where I was from.
`21.` He asked if they taught music.
`22.` The mother asked me if I was sorry for what I had done.
`23.` She asked me how far it was from here to my house.
`24.` They asked me how many students there were in my class.
`25.` I asked the boy what else he had seen.
`26.` She asked me whether I wanted to buy any second- hand books.
`27.` They said they could go to the airport by taxi that morning.
`28.` He asked me if i would have time to play regularly.
`29.` My father wanted to know which team had won.
`30.` The teacher said that my son had come to school late yesterday.
* Giải thích cách làm :
Dùng các động từ tường thuật như: say, tell,… : S + said/ told sb/ said to sb (that) + S + V(lùi thì): câu gián tiếp dạng trần thuật
`+` S + asked/wondered/wanted to know + (O) + If/ whether + S + V(lùi thì) + O.