题目内容：

原文填空。

I    1.   my school ID card . I must    2.     it .

…

A:     3.    on , Jack !

B: Oh , no ! Where’s my bag ?

A: Hmm … is it on your desk ?

B: No . And it's not     4.    the chair .

A: Oh ! It’s on the sofa .

B: Thank you , Mom . Err … where’s the map ?

A: I think it’s in your      5.    room .