问题补充：
(·兰州模拟)―Do you still live in the countryside?
―Yes. I don’t want to leave the house, it is very shabby.
A. though
B. because
C. once
D. as
答案：
A. though
B. because
C. once
D. as
解析：选A。考查状语从句。句意: ——你还在乡下住吗? ——是的, 我不想离开那所房子, 尽管它十分破旧。此处前后句意存在转折, 所以选A。使用as时必须使用倒装结构, 故排除D项。
