Do you think it wise for Chinese mothers to try to do everything for their children?—-No, that’s they are mistaken.

Excuse me, are these Mary’s exercise books — Sorry. They are______ exercise books. ______ are on the teachers’ desk.

下列各句中，加线的成语使用恰当的一项是 （ ）

Do you know where my key to the bike is, granny—I’m not sure. It be in your drawer.

Did you see a girl in red pass by just now–No , sir . I _______a magazine.