第1个回答 2013-09-25
High school students are always busy with study, resulting in lack of sleep.
第2个回答 2013-09-25
The high school student was so busy studying that he was lacking sleep.
第3个回答 2013-09-25
the senior high school students are busy studying,so they haven't enough time to sleep
第4个回答 2013-09-25
High school students are so busy with their study that they don't have enough sleep .
High school students are too busy with their studyto have enough sleep .
High school students are so engaged in their study that they don't have enough sleep .本回答被网友采纳
High school students are too busy with their studyto have enough sleep .
High school students are so engaged in their study that they don't have enough sleep .本回答被网友采纳
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