题目

--Michael，how much do you know about_________？ --people usually eat rice dumplings to remember Qu Yuan． A．the Mid-Autumn Festival B．the Spring Festival C．the Dragon Boat Festival D．the Lantern Festival 答案：CMost of the children can work out the problem, so it should be quite ____ to adults. A. patient　 B. plain　　 C. familiar D. lucky