7、ralia?A.hadyoubeenB.didyougoC.haveyoubeenD.youhavebeen三、完形填空(每小题2分,共20分) Do you know how to study better and make your study more effective.We all know that Chinese students usually study very hard for long 1 . This is very good, but it doesn’t 2 a lot, for an effe
8、ctive students must have enough sleep, enough food and enough rest and exercise. Every day you n