-Who is singing in the classroom? - must be Susan. A. SheB. ItC. ThisD. He——青夏教育精英家教网——

题目内容

—Who is singing in the classroom?
—_____ must be Susan.

A. She
B. It
C. This
D. He

试题答案

B

相关题目

—Who is singing in the classroom?
—_____ must be Susan.

A. She
B. It
C. This
D. He

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