试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(lonely) Space explorers will have to face such great
when they travel far beyond the sun.
参考答案
试题解析
此处缺少名词。
great是形容词，形容词用来修饰名词。所以变lonely为名词形式loneliness。
句意：在远离太阳的地方旅行时，太空探险者将不得不面对如此巨大的孤独。