1.What a r idea!How can you think of it?
答案ridiculous
2.On a f day,it’s difficult to see things clearly.
答案foggy
3.An airplane c west of Denver last night and many people were killed.
答案crashed
4.The scientist often goes to the (观察台) to observe the stars in the evening.
答案observatory
5.It will cost a(n) (巨大的) amount of money to build the dam.
答案enormous
6.The old man died on a(n) (极冷的) cold night.
答案freezing
7.Zhangjiajie is the most (迷人的) place I’ve ever been to.
答案fascinating