I told him I was very sorry for what had happened and admitted I （ ） that joke.
（A）can't have made
（B）shouldn't have made
（C）won't have made
（D）needn't have made
A brother （ ） not be a friend, but a friend will always treat you like a brother.
（A）must
（B）should
（C）may
（D）would
This umbrella （ ） be Tom's, as he is the only person who borrows it.
（A）could
（B）might
（C）ought to
（D）must
