一、单项选择。(每小题1分,共10分) 请你从每小题所给的A、B、C三个选项中,选出一个能填入空白处的最佳选项。 ( )1.So far, Confucius Institute(孔子学院) has been set up in many other countries. And Chinese is ______ spoken in those countries. A.widely B.badly C.hardly ( )2.—Mr. Black always makes his class _____ and keeps his students interested in class. —What a successful teacher he is! A.boring B.lovely C.lively ( )3.He was once ________ killed in a car accident several years ago. A.completely B.sadly C.nearly ( )4.The cheese cake ________ so good that I can't wait to eat it. A.tastes B.feels C.smells ( )5.Sorry, this is your letter, but I opened it ____. A.by mistake B.by accident C.by myself