【题目】I think it's dangerous for you to go ________ the forest alone.

【题目】You had to stay at home yesterday, ________ you?

【题目】Let's stay at home and do some reading. It's ________ hot outside today.

【题目】—The pet dog is lovely.

【题目】─Do you know_____second-hand smoke? ─To protect our health and memory.

【题目】—Who's the music The Blue Danube ________？

【题目】—Can your brother ________?

【题目】Tom is crazy about painting．I think he has a real _______ for painting．

【题目】The girl is so helpful that she devoted all her spare time she had ______ others．

【题目】When I read"Harry Potter"，Hogwarts School __________ J．K．Rowling wrote about soon caught my attention．