题干
—Do you know ______?
—Yes. It's a ball.
A：why she brought the box
B：what is in the box
C：how much the box is
答案(点此获取答案解析）
B
—Do you know ______?
—Yes. It's a ball.
A：why she brought the box
B：what is in the box
C：how much the box is
