摘要： John is very lazy. He falls behind in his studies. A. very B. far C. more D. still
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John is very lazy. He falls ______ behind in his studies.
A. very B. far C. more D. still
查看习题详情和答案>>John is very lazy. He falls ______ behind in his studies.
A. very B. far C. more D. still
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