题目内容
—Listen! Who _____ in the music room? --It must be Jane. She usually _____ in it.
A. sings; sings
B. is singing; is singing
C. is singing; sings
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题目内容
—Listen! Who _____ in the music room? --It must be Jane. She usually _____ in it.
A. sings; sings
B. is singing; is singing
C. is singing; sings