一. CCCAC
二. 1.went 2. buy 3. watch 4. feeling 5 . swimmer
6.tallest 7. yours 8. sore 9. laughing at 10. flew
三. CBAAB ACBCB
四. EDABC
五. 1. Did your family climb the mountain last weekend
Yes, we did .

2. How does

3. What's wrong

4. I'm sorry to hear that .

5. How heavy are you
六. DEBGA
七. BCBBC CCACB
八. AACCB