Do you and your brother_________ each other?
I find this Math problems very _____ _. I believe the students can work it out .
—I’m sorry, Mr Li. I ________ my exercise book at home.—Oh, don’t forget ________ it here tomorrow, please.
—________ does she weigh? —Her ________ is 50kg.
We should encourage our students ________ hard instead of ________ too much time playing games.
—What were you and your cousin doing at this time yesterday?—He was reading a magazine ________ I was writing an e-mail.