国家开放大学 / 综合英语（1）
正确率：100%
Alone in a deserted house, he was so busy with his research work that he felt _ _ _ _ lonely.
a.everything but
b.nothing for
c.anything but
d.all as
a.everything but
b.nothing for
c.anything but
d.all as
参考答案：
佳题速递：