The first sentence. There should be a comma after surprised.
Answer:
In deciding when it is too hot to play sports depends on the heat index. In modifying or cancelling sports practices, keep in mind the following: Hot, dry weather can be extremely dangerous.
Explanation:
I think the first one is D
Answer:
The first picture I believe is Idiom.
Explanation:
Idiom is literally something that is described that makes no sense, like bad blood.