3.You aren't using this typewriter,aren't you?-No,I'm no A 4.He is to go home via Hongkong,is he?-Yes.Iam A B D 5.We can't take the books out.do we?-No.we can't. ABCD 6.At that time.he was hardly 20isn'the? A C D 7.They needn't make such aloud noise.do they? A B C D 8.She didn't dare to proposeanew idea.didit? A D 9.You intend to shart aier tomorrowmoing doyou B 10.Such things ought not to be allowed,ought it? A BC D SKEY:I.1-5ACBDD 6-10 BCABC 11-15 ABCDA 16-20 BCDAB 21-25 BCADA 26-30 BDCBA 31-35 BCABB 36-40 BACBA II.1-5 CDBCB 6-10 DDDDD3. You aren’t using this typewriter, aren’t you? –No, I’m not. A B C D 4. He is to go home via Hongkong, is he? –Yes, I am. A B C D 5. We can’t take the books out, do we? –No, we can’t. A B C D 6. At that time, he was hardly 20, isn’t he? A B C D 7. They needn’t make such a loud noise, do they? A B C D 8. She didn’t dare to propose a new idea, did it? A B C D 9. You intend to shart earlier tomorrow morning, do you? A B C D 10. Such things ought not to be allowed, ought it? A B C D SKEY: I. 1-5 ACBDD 6-10 BCABC 11-15 ABCDA 16-20 BCDAB 21-25 BCADA 26-30 BDCBA 31-35 BCABB 36-40 BACBA II. 1-5 CDBCB 6-10 DDDDD