问题
选择题
_____ more clearly, they came up and got close to it. [ ]
A. Seeing
B. Seen
C. To see
D. To be seen
答案
答案：C
搜题请搜索小程序“爱下问搜题”
_____ more clearly, they came up and got close to it. [ ]
A. Seeing
B. Seen
C. To see
D. To be seen
答案：C