正确答案应该是这样
( 5 )No, it isn’t
( 7 )That’s all right
( 1 )Excuse me, where’s my ruler? Do you know?
( 3 )No, I can’t see it
( 6 )Is it in your math book
( 2 )Oh, sorry, I don’t know. Is it in your pencil case?
( 4 )Is it in your desk
Excuse me, where’s my ruler? Do you know?
Oh, sorry, I don’t know. Is it in your pencil case?
No, it isn’t
Is it in your desk
No, I can’t see it
Is it in your math book
That’s all right
3 7 1 5 6 2 4