----______ your weekend ?    ----It was great.

——_________ should your robot need_________ batteries?——Every two months.

―He’s never advised to achieve a balance between his job and hobbies, ________? ―_______. His parents and teachers often offer him advice to.

---Your uncle ate nothing this morning, _______? ---No, he didn’t. He got up so late that he hurried to work without breakfast.

---There is a book ________ on the ground.---Let’s ________ and ask who lost it.