题目内容
—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
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题目内容
—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