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6.Look at the picture marked No.6 in your textbook.
6.请看你课本中的第六幅图片。
A. They are taking the elevator down.
A. 他们正在坐升降电梯下楼。
B. They are shopping for clothes.
B. 他们在买衣服。
C. They are riding on an escalator.
C. 他们正在乘坐扶梯。
D. They are across from each other.
D. 他们面对面。
