17. Alice can sing as __ as a professional singer.We are so proud of her. A. beautifully B. happily C. wonderful D.lovely 18. You won't feel happy at school __ you get on well with your classmates. A. though B. when C. unless D. because 19. -Hello,Jenny.Your suitcase looks so heavy.Let me give you a hand. -__ I'm OK. A. That's all right. B. No, thanks. C. Well done! D. Take it easy. 20. -I think keeping pet dogs isn't a good idea.Dogs create a lot of mess. -__ In my opinion,it can help you become a more responsible person. A. I think so,too. B. So do I. C. That's a good idea. D. I don't agree with you. Ⅱ.Complete the following passage with the words or phrases in the box.Each wordcan only be used once(将下列单词或词组填入空格。每空格限填一词,每词只能填一次): A. by the end of B. president C. surprising D. surprised E. turned out Michelle was flying from Houston to London, and during the flight, she began talking to John, the man in the seat next to her.She found out that he was __1__ of a famous jeans company based in Texas.In fact, she was wearing a pair of blue jeans from his company! But that wasn't the most __2__ thing. He had lived in San Francisco when he was in high school,and it __3__ that he knew Michelle's best friend,who also grew up in San Francisco!They continued talking. And __4__ the trip, they felt that they had known each other for much longer than eight hours. ……