题目内容：
下面哪个句子没有语法错误？
A.There are many students are playing basketball on the playground.
B.The students did well on the test they didn't study very much.
C.To do well in college, good grades are essential.
D.Tom used to live in Lost Angeles.
参考答案：
选择题：下面哪个句子没有语法错误？
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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