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
答案：C
should意为“应该”。根据所提供的情景“but it is now heavily polluted”可判断出它应该是美丽的。will作情态动词意为“愿意”；would意为“愿意”；must意为“必须”。