Try to find it here - bit(dot)ly/32TPpvU
1. to is the preposition
2. from is the preposition
3. across is the preposition
A. It's the progressive tense that indicates continuing action. It's something that's still going on, and the reason why it's called as progressive. This is formed with the "to be" verb in the present tense, and is combined with an -ing word.
D. me because the other 3 would not make sense as a factor of why would they be good ? it wouldn't me is the only logically answer