Here are the sentences completed based on the given prompts:

1. He **is handsome**. ( đẹp trai)
2. Mary **is sad**. ( buồn)
3. It **is big**. ( to)
4. They **are beautiful**. ( đẹp)
5. We **are short**. ( thấp)
6. She **is tall**. ( gầy)
7. The babies **are cute**. ( đáng yêu)
8. She **is ugly**. ( xấu)

Feel free to ask if you need anything else!