B. It's cold today.
C. It's warm today.2. 询问时间，可以问：[ ]
A. What colour is it?
B.What for?
C. What time is it?3. 有件粉红色的毛衣，可以说：[ ]A. I have a blue sweater.
B. I have a pink sweater.
C. Look at my sweater.4. 当你找不到图书馆时，可以问：[ ]A. Where's the library?
B. Where's the art room?
C. What's the library?5. 别人来参观你的学校，你应该说：[ ]A. Welcome to our school.
B. Welcome back to school.
C. Thank you.1-5 B C B A A