问题
选择题
Though he had failed twice, the strong-willed boy decided to make a third attempt_________ it. [ ]
A.to
B.on
C.at
D.B &C
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Though he had failed twice, the strong-willed boy decided to make a third attempt_________ it. [ ]
A.to
B.on
C.at
D.B &C
答案：D