根据内容补全对话，一空一词。（2.5分）
A：What were you doing at this time yesterday afternoon?
B：We were     kites.
A：Where did you fly the kites?
B：By the river. A lot of children were flying kites there.
A：Was it    yesterday?
B：Yes, but the wind wasn’t strong. The weather was good for flying a kite.
A：Who did you fly kites    ?
B：Li Lei and Chen Yang. They both bought two new kites and got there earlier than I did.
A：Did you enjoy  ?
B：Yes, we played there    three hours.