问题
选择题
I have been living in the United States for twenty year, but seldom _____ so lonely as now. [ ]
A. have I felt
B. I had felt
C. I have felt
D. had I felt
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I have been living in the United States for twenty year, 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