问题
选择题
—What do you think of the music teacher ?
—______ she is an attractive lady, she can be extremely difficult to work with．
A．If
B．As
C．Because
D．While
答案
答案：D
考查连词，根据句意可知，该句主从句内容相反，所以选择WHILE意为然而，虽然，表对比
句意为虽然她是一个吸引人的女士，但是她可能太难合作了。