题目内容：
He always has great trouble (understand) _____ what the teacher says in class.
参考答案：
答案解析：
简答题：He always has great trouble (understand) _____ what the teac
- 题目分类：英语三级B级
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During the conversation, the. man seems to be more intereste
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Which of the following details in the news is CORRECT?
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