1. Bill is hard-working but Tom is not. He is rather lazy
2. Frank is friendly but Sandy is not. She is rather unfriendly
3. Andrew is clever but Jill is not. She is unclever
4. Julia is reliable but Florence is not. He is rather unreliable
5. Wendy is good-looking but Linda is not. She is ugly
удачи тебе в учебе)