题目

All of us have received an ________ from Mary. We are looking forward to her 14th birthday party.                     A. invention        B. invitation        C. instruction 答案：B18．尽管她独身一人，但是她忙于妇女权利方面的工作，所以一点也不感到孤独．（as）Alone as she is，she is so busy with her work for women's rights that she feels anything but lonely．．