What ____ sad news! We can’t get the movie tickets.A. a B. an C./
John’s parents were worried that he _________ too much time chatting with friends on the phone.
—Mr. Green _________ his son.—Yes, he enjoys talking about his son with any friend of his.
—When I was young, I used _________ swimming in winter.—Me too.
The doctor says that the problem with her husband’s eyes ___by many reasons.
—Do you often help your brother with his English?—No. He learns English by ________.