找出下列句子的错误,并改正。
( ) (1)What does people do in spring?
A B C 改正:_____________
( ) (2)Everyone enjoythesummer.
A B C 改正:____________
( ) (3)Birds sings to welcome the spring.
A B C 改正:_____________
( ) (4)Children goescampingwith their teachers.
A B C 改正:______________