Have you watched the popular TV play called You, Come from the Star The main character Professor Dou in the play is so handsome. -Really When ______ it

Many students don’t want themselves to _______ doing _______ homework

He has left his book here on _____, so that you can read it

________, Nathan gave back the enormousamount of money he found.

下列各句中，加横线的成语使用恰当的一项是（ ）