下面哪个句子没有语法错误?
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.
正确答案:Tom used to live in Lost Angeles.