If Willa and I hear from our parents then we will let you know.
Sorry I can't answer 3, 5, and 6!
1. “It's so hot in this classroom.”
Answer: You're right. I'll open the window.
2. “I need your photo.”
Answer: My photo? What will you do with it?
4. “Can I borrow your laptop?”
Answer: No problem. How long will you need it?
7. “Look at the man on the motorbike!”
Answer: Oh, no! Is he going to crash into our car?
8. “There's someone at the door. Can you answer it for me?
Answer: At midnight? I don't think it's safe to answer.
9. “Natasha is having a welcome party on Friday night. Are you going?”
Answer: Of course I am. There's not anything I have to do on Friday.
C. The platypus, which is a mammal, has a bill like a duck and feet like an otter.
"which is a mammal" is an adjective clause. An adjective clause is used to describe a noun and usually begins with one of these words: that, when, where, who, whom, whose, which, and why. In this sentence, the adjective clause begins with "which" and describes the platypus, which is a noun.