问题
Attractive ________ the device might seem, “my wife has already done that by herself” was a common response after people seeing it when it was introduced on show this week.
A:while
B:although
C:as
D:when
B:although
C:as
D:when
正确答案是：
同类题型
Don’t worry. Intelligent students can always _______ good solutions to problems.
.Although it seemed to be _______ painful experience, he still found it_______ fun.
What are you looking for?—I’m looking for the book _____ I bought yesterday. [ ]