◎ 题干

-Can you sing this English song?
-Of course ,I can. It          many times on the radio.

[     ]

A. taught 
B. has taught
C. is taught 
D. has been taught

◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-Can you sing this English song?-Of course ,I can. Itmany times on the radio. [ ]A. taughtB. has taughtC. is taughtD. has been taught …”主要考查了你对  【被动语态】【现在完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。