第1个回答 2012-08-28
have they played
这是seldom位于句首的倒装句,语序:Seldom+助动词+主语+谓语。
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第2个回答 2012-08-28
Seldom have they played video games ever since they entered college.(play)
第3个回答 2012-08-28
have they played,seldom位于句首,句子要倒装
第4个回答 2012-08-28
have played(乱入,我英语不好= =