题目内容
—How do you study English ________ a test?
—We often study it ________ listening, speaking, reading and writing.
A. by; by B. for; for C. for; by
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题目内容
—How do you study English ________ a test?
—We often study it ________ listening, speaking, reading and writing.
A. by; by B. for; for C. for; by