问题
选择题
I ______ her, but I never could.
A．ought to help
B．must help
C．ought to have helped
D．must have helped
答案
答案：C
本题考查ought的用法。ought to + have+done表示过去应该做某事却没做。
搜题请搜索小程序“爱下问搜题”
I ______ her, but I never could.
A．ought to help
B．must help
C．ought to have helped
D．must have helped
答案：C
本题考查ought的用法。ought to + have+done表示过去应该做某事却没做。