It is unkind of you to talk to her like that . Should

→ .....You should not have talked to her like that. 

Because/acid rain / dangerous, /lot /tree's leaves/ be / damaged

→ ....Because of the dangerous acid rain, tree's leaves are damaged.

Polluted water / result / death / fish

→...Polluted water results in dead fish.

1. D. painting ⇒ painted

Painted ( bị động ở thì HTTD )

2. C. do ⇒ make

Make ( cụm từ make effort : nỗ lực )

1, You should not have talked to her like that.

2, Because the acid rain is dangerous,  a lot of tree's leaves are dâmged

3, Polluted water is the result of the dead fish.

Lỗi sai

1, D( Câu bị động ở thì hiện tại tiếp diễn: S + be + being + V3/ed + (by + O) )

Correct: painting ⇒ painted

2, C ( make an effort: nỗ lực )

Correct: do ⇒ make