单项选择题
Since she was accustomed to having her own room, it has difficult for her to ______ a roommate.
单项选择题 Don't be hard on her—she is very ______ and she may start to cry.
单项选择题 The border incident led to the two countries' ______ diplomatic relations.
单项选择题 Very few experts ______ with completely new answers to the world's economic problems.
