问题
选择题
_____ from the plane, the Yellow River looks like a silk ribbon. [ ]
A. Seen
B. Seeing
C. To see
D. Having seen
答案
答案：A
搜题请搜索小程序“爱下问搜题”
_____ from the plane, the Yellow River looks like a silk ribbon. [ ]
A. Seen
B. Seeing
C. To see
D. Having seen
答案：A