——Hi, Helen! ____________——Fine, thanks.
Of all the computers in the shop,this one is _______________. A. cheap B. cheaper C the cheapest D the cheap
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.