Many people think the ____ time is spent, the more work will be done. So students have to spend the whole day doing school work ____ the three meals.

Modern students have many hobbies. They love sports, computers and music. A ____ holiday can get them away from too much school work, and they can do what they like. But still students do not think about it. Because they have too much homework, they have no time to enjoy themselves. Students are really tired of their weekend homework. So they don’t do it ____ Sunday night. And there is not enough time to finish the homework carefully. The poor weekend homework usually makes teachers ____.

Things always get worse ____ right ideas. Too much school work makes students lose ____ in learning. It’s also bad for their health.

A horse runs faster after a rest. But for students only a rest is not enough. So such a condition（状况）should be changed to give students both pleasure and knowledge.