—Are you going to help John with his Chinese this evening?—No,He ________ to England.He will be back next month.
—I'm a teenager's mother. Sometimes I don't know __________. —Maybe he suffers from stress.
—Please _______ the lions, children. Remember that it’s dangerous to take photos with them. —OK, we will.
—I’m very tired these days because of walking to school every day. —________ useful exercise you are taking! It can help you keep healthy.
—When did the new Wenfeng Shopping Mall open? —It ________ for nearly half a year.
—He’s not married Laura, _________? —__________. They will celebrate their one year of marriage this Sunday.