Ifyouranksecondintherace,you’l-优题课

If you rank _______ second in the race, you’ll get _____ qualification to compete for the next round.

A．/ ; a

B．the; a

C．a; the

D．/ ; the

科目英语题型单选题难度较易

知识点：冠词的用法辨析

After the meeting was over, the secretary ________ the new worker to the manager’s office.

The expert says that nowadays there are too many problems linked to poor diet and a ________of exercise.

_____ new cure for this disease that medical experts have recently developed proves to be ______ most effective, although it can not completely kill all the viruses.

— What do you think of the novel written by the well-known writer?
— Sorry, no _________!

If my father ______ here yesterday, he would have stopped me from going surfing.