Tony and Tina are very different. Tony likes music. Tina doesn't. Tony is an athlete. Tina isn't.

Tony and Tina are very different. Tony likes music. Tina doesn't. Tony is an athlete. Tina isn't.

为什么都是第三人称单数，但是却有does not和is not之分。
On the other hand, Tina likes movies, but Tony doesn't. She is a good student, but he isn't.

Tony and Tina are brother and sister, but are they alike？ No, they aren't. They're very

different.

Tony and Tina are very different. Tony likes music. Tina doesn't. Tony is an athlete. Tina isn't. -----What are your h______,Tina? -------I like piaying the violin and singing. A squirrel and a crocodile A teacher and a student a donkey and a Pekinese Tina is fourteen years old.She was born ( )a cold winter evening.(选择填空：A：inB：onC：at) There nobody in the classroom but Tony and Tom in the classroom a Cheech and Chong movie many a studen and teacher 关于half and a half