试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(lonely) Feelings of 
is certainly one of those tough things many students studying abroad have to cope with.
参考答案
试题解析
of后缺少名词，变lonely为loneliness。
句意：孤独感一定是留学海外的学生们很难处理的艰难情绪之一。