高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
＿＿＿＿＿＿＿＿under a microscope, a fresh snowflake has a delicate six-pointed shape.
A.Seeing
B.Sees
C.To see
D.Seen
＿＿＿＿＿＿＿＿under a microscope, a fresh snowflake has a delicate six-pointed shape.
A.Seeing
B.Sees
C.To see
D.Seen
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