1) Do you have two sisters? - No, I don't.
2) Are the students in the library? - Yes, they are.
3) Will your friends go to the cinema tomorrow? - Yes, they will.
4) Did your brother go home two hours ago? - Yes, he did.
1) Do you have two sisters? - No, I don't.
2) Are the students in the library? - Yes, they are.
3) Will your friends go to the cinema tomorrow? - Yes, they will.
4) Did your brother go home two hours ago? - Yes, he did.