听句子。听下面10个问题，每个问题后有三个答语，从题中所给A、B、C三个选项中选出最佳选项。 (     )1.A.It was Saturday. (     )2.A.Yes, it's boring. (     )3.A.Yes, they are. (     )4.A.It's great. (     )5.A.In the library. (     )6.A.Yes, I can . (     )7.A.Great. (     )8.A.No, I won't. (     )9.A.No, but they can eat in the dining hall. (     )10.A.They like Animal World. B.It was May lst. B.No, it's interesting. B.Six. B.It's sunny. B.At school. B.Certainly. B.Grean. B.Yes, I will . B.Yes, they can. B.He likes talk shows. C.It was 8. C.It's boring. C.No, they are listening to the teacher. C.It's terrible. C.Yes, I can. C.S—N—O—W. C.Raining. C.Sorry, I won't. C.No, he can't. C.I like talk shows.