Answer:
If there [is] too much garbage, the air will be seriously polluted.
What a pity[,] I have to look at my little brother, so I can't go to the cinema tonight.
Explanation:
Any sentence with if at the beginning is usually present tense.
Commas always go after "What a pity".
I also did not see periods at the end of both sentences.
If this is true or false it's True
What do you mean? do you mean as in, something people in general do enthusiastically, or me personally?
