What will be come dirtier when people wash it

What will be come dirtier when people wash it what would be dirtier when wash it What will become dirtier when you wash it?中文是什麼意思? When will it be convenient for you to come? I’m afraid it will be two months A.when I come back B.when I if there is （） pollution,ourcity will be （）dirtier. "when will be convenient for you to come?"中空处填it还是there it will be five years when i come back.这句话是正确的吗? When will it be a dream come true?Only work hard,work hard,t What will people like to do when it __?A rains B is raining For years to come it will be beyond what movies can achieve中 it's difficult for people today i what life will be like in