My father _________ Beijing on business for three days. He will be back in two days.
There are ______ students in this school.
My mother often plays table tennis __________my father doesn’t like sports.
—________ does he often go to Beijing?—By plane.
–My brother’s never been late for work, ______?–______. He is a hard-working man.
---___________ ?---It’s cloudy.