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psc English grammar

1.what --------- you do for a living ?
A) are b) have c) do d) had
2.I --------- him yesterday.
a)see b) saw c) have seen d)had seen

Answer 1) c 2) b

interrogative words in English

what,when,who,whose,whom,which,what kind of,why,where,how,how many,how much,how far,how long,how often.

words used as relative pronouns

who,whom,whose,which,thatand as

what is an adverb ?

An adverb is a word used to add something to a verb .to say how,when or where an action is performed.
eg: He is walking fast.
the word fast is used here as an adverb.