In the given sentence, identify the segment which contains the grammatical error. With this heat wave on, we are having a terrible weather (a) heat wave on (b) a terrible weather (c) with this (d) we are having

Options

A. heat wave on
B. a terrible weather
C. with this
D. we are having

Answer

B

Explanation

Weather is an uncountable noun and we cannot write an indefinite article .a. before it. Hence, .terrible weather will be answer.