单项选择题Kate, have you ______ the party It's time to go now.
单项选择题Last year the number of students who graduated with a driving licence reached 200,000, a(n) ()of 40,000 per year.
A.average B.number C.amount D.quantity
单项选择题William Sidney Porter, known as O. Henry, is most famous for ______.
单项选择题All of the following are well-known female writers in 20th-century Britain except ______.
单项选择题—How about your trip to Hainan — It couldn't have been ______. Sometimes I went swimming in the sea; sometimes I lay on the sand.