—You have found your lost umbrella, haven’t you?—Yes. I _____ it behind the door this afternoon. A. have found B. will find C. found
The Yangzhi River is one of __________ in the world.
—How can we protect ourselves ________ the earthquake?—We should stay calm first.
Da Shan is _________ at Chinese. He can speak Chinese very _________.
—My mother has been ill for several days.—____________
He hardly goes to school by car, _________ he?