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 |
推荐套卷
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 |