[ Grammar ]
While he (listen)_____to music, she (sing)______a song .
A. is listening/ is singing
B. listened/ sang
C. was listening/ sang
D. was listening/ was singing

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Which sentence is correct?
A. French is the more popular language in Canada.
B. French is the most popular language in Canada.
C. French is the most popularest language in Canada.
D. French is the popularest language in Canada.
