Do this one also ..this is pending from 3 days

Dear student, 

(Error, correct word)
(a) are, have 
(b) addict, addicted
(c) suffered, suffer
(d) exists, exist
(e) were, are
(f) damaged, damages
(g)  damage, damages
(h) killed, killing
(i) took, taken
(j) smoking, smoked
(k) made, makes
(l) extracting, extracted
(m) smoke, smoked
(n) eating, eaten
(o) gave, gives
(p) know, knows
(q) was, is
(r) would, will
(s) collapsing, collapse 

Regards