问题
选择题
. —How’s your tour around the North Lake? Is it beautiful?
—It __________ be, but it is now heavily polluted.
A．will
B．would
C．should
D．must
答案
C。
it should be后承前省略了beautiful一词，即指应该是很美的，但由于受到了严重的污染，所以不美了。