You didn't underline anything, so we cannot know for sure what the correct answer is. However, I'll just write down the entire infinitive phrases in these sentences, and you can see the answer based on that:
1. to see a great play
2. to cheer good plays
3. to practice until you know all the plays
I think it might be A but I don't see the word save in the sentence but if you meant he Gave in D then I would choose D. Hope it helps!
Be more specific!!
12-7=5
I subtracted because first it shows a subtraction sign
Second a higher number taking away a lower
True, you want them to understand you as easily as possible and they will not know slang, etc. if they speak little english
Basketball is being described in different ways
