( )under a microscope, a fresh snowflake has a delicate six-pointed shape.
A.正确答案ASeen
B.Sees
C.Seeing
D.To see
( )under a microscope, a fresh snowflake has a delicate six-pointed shape.
( )under a microscope, a fresh snowflake has a delicate six-pointed shape.
A.正确答案ASeen
B.Sees
C.Seeing
D.To see