问题
单项选择题
I heard Susan surprised her teacher by working hard. Yes,（）
A.her teacher worked hard.
B.Susan worked hard.
C.the teacher was surprising.
D.Susan was surprised.
答案
参考答案：B
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I heard Susan surprised her teacher by working hard. Yes,（）
A.her teacher worked hard.
B.Susan worked hard.
C.the teacher was surprising.
D.Susan was surprised.
参考答案：B