. from the top of the tower ,the south foot of the mountain is a sea of trees .A. SeenB. S

发布时间：2020-08-16 11:33:47


.     from the top of the tower ,the south foot of the mountain is a sea of trees .   
A. Seen
B. Seeing
C. Have seen
D. To see

网友回答

(答案→)A. Seen
B. Seeing
C. Have seen
D. To see
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