-Do you know the girls who are in the living room? -Yes, they are my classmates. They are celebrating Lucy's _ birthday. A .thirteen B. the thirteenth C. thirteenth
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.