80. I have been living in the United States for twenty years, but seldom so lonely as now.
A.have I felt B.I had felt C.I have felt D.had I felt
〖答案〗A
〖考点〗本题考查倒装。
〖解析〗将现在与以前相比较, 故用现在完成时, 当否定副词置于句首时, 句子要用部分倒装形式。句意为：……但我很少感觉到像现在这样孤独。
81. —My room gets very cold at night.
— .
A.So is mine B.So mine is C.So does mine D.So mine does
〖答案〗C
〖考点〗本题考查倒装。
〖解析〗 “so+助动词+主语”表示前面陈述的情况也适合于后者。
