单项选择题

For many years, people（）electric cars. However, making them has been more difficult that predicted.

A.had dreamed of
B.have dreamed of
C.dreamed of
D.dream of

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单项选择题
英语课程改革就是要改变英语课程过分重视______和词汇知识的讲解与传授。
A．话题
B．语音
C．功能
D．语法
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