问题

It’s a shame ______ able to give them anyadvice.

A:not to have been
B:to have not been
C:to have been not
D:to not have been

正确答案是：

同类题型

iend Jane, even though she was busy, to your help when you were in trouble.——You are right, but it is like her to be selfish.

The word “together” sounds as________.

We feel _______ our duty to make our school a better place. [ ]

_________ I met some difficulties, Larry always came to help me.

E- mail is very popular today. People seldom write letters now, _________