试题题干
WORD FORMATION
Complete each of the following sentences with the proper form of the word in brackets.
(hope) We tried to stop the flames from spreading, but we knew it was 
.
参考答案
试题解析
knew后面是省略了that的宾语从句。空格前是从句的主语it和系动词was，所以这里应该填一个名词或者形容词。根据语境应该填形容词“没有希望的，注定失败的”。故填hopeless。
句意：我们试图阻止火焰蔓延，但我们知道这是无望的。