1．They went to the cave in ________ (寻找) of hidden treasure.
答案：quest
2．I'm glad to learn that your ________ (美术馆) will hold a Chinese painting exhibition.
答案：gallery
3．It is an operation to try to save a species of ________ (鳄鱼) from extinction.
答案：crocodile
4．Ellis Island has become one of America's most popular tourist ________ (目的地)．
答案：destinations
5．The task was so hard, and Steve, angry and upset, said he was ________ (离开)．
答案：quitting
