题目内容
13、It has been proved taking exercise regularly does good to one’s health.
A．whether B．when C．what D．that
试题答案
13、D
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查看习题详情和答案>>It has been proved taking exercise regularly does good to one’s health.
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查看习题详情和答案>>It has been proved taking exercise regularly does good to one’s health.
| A．whether | B．when | C．what | D．that |