Last winter, I ¹ had / was having a nasty accident while I ² skied / was skiing. I was with my friend Joe, It was a beautiful morning. The sun ³ shone / was shining and lots of people ⁴ skied / were skiing. Suddenly, Joe ⁵ lost / was losing control as he was going round a corner and ⁶ crashed / was crashing into me. I ⁷ fell / was falling and broke my leg. An air ambulance ⁸ arrived / was arriving and ⁹ took / was taking me to hospital. I was in hospital for two weeks!

1:had

2: was skiing

3: was shining

4: were skiing

5: lost

6: crashed

7: fell

8: arrived

9: took

Explanation:

Last winter, I had a nasty accident while I was skiing. I was with my friend Joe. It was a beautiful morning, the sun was shining and lots of people were skiing. Suddenly, Joe lost control as he was going around corner and crashed into me. I fell and broke my leg. An air ambulance arrived and took me to the hospital. I was in the hospital for two weeks!

16.) true

17.) true

18.) it doesn't say

19.) true

20.) false

explanation:

the tree invited all its friends to its lumber party. the party was at saruman's tower in isengard because saruman had killed some trees