If I ruled the world，I would________ the world________ everything that is bad.

When you stand on the top of the mountain and overlook the surrounding scenery，you’ll find it is________to climb it up with effort

Show me your homework, Dave. —Sorry, Mrs Brown. I’ve _______ it at home.

teacher and classmates all knew Tom wouldnot do well, but he succeeded _________ their expectations.

Where is Zhang Hua Is he in the classroom now—He bethere, for I saw him in the teachers’ office just now.