If you find this question on an English exam, use 'were'. In more formal English 'was' is not used in an 'if' clause. It has to be 'if ...
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If you find this question on an English exam, use 'were'. In more formal English 'was' is not used in an 'if' clause. It has to be 'if ... were'.
However, in ordinary conversation 'if ... was' is heard quite often.
CJ