疑问副词，连接副词，关系副词与修饰整个句子的副词，一般放在句子或从句的前面。
(1)When do you study everyday?
你天天什么时间学习?
(2)Can you tell me how you did it?
你能告诉我你怎么样做的吗?
(3)First,let me ask you some questions.
先让我来问几个问题。
(4)How much does this bike cosplayt?
这辆车子多少钱?
(5)The students were reading when the teacher came into the classroom.
当老师进教室时，学生们正在念书。
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