66．机器人做了所有的家务，结果，Mr. Jiang不再需要早起了。

The robot did all the housework __________，Mr. Jiang no longer needed __________ early．

54．‘‘If I start talking about the e________ our friends gave，I won't stop talking．” Ken Pauly said．“We won't be able to win the match without them．”

53．Everybody hopes that her performance will be a great ________（成功）．

52．I am sorry I can't sing．But if you ________（坚持）on my singing，it'll be like driving a duck onto the perch．

51．There is no ________（怀疑、疑惑）that Dr．Sun Yat Sen is the greatest man that I've ever known in my whole life．

50．What have you done today to make you feel ________（自豪）? It's never too late to try．

49．It may be a great experience to study a________，and you'll find people in another country，are very friendly and helpful．

48．It's true that when you are out of job，it's ________（无用的）to complain．

47．It is normal for you to feel ________（紧张）when you have to tell your own story to many people．