We should have three m____ on time to keep healthy.快

英译汉：If we should have three days off ,we would enjoy a very happy life. We should have three m____ on time to keep healthy.快 We should devote everything we have.should 能不能换成can? We have three meals ( )day .we have (We have three meals ( )day .we have ( )supper at six in the evening. we have three English classes a week we have three classes___P.E.every week. We have biology ( ) three in a week? We have three balls.对 three 划线提问 改为被动语态 They have read the book three times.we should allow six-year-olds to choose their own clothes. I/we should have been working.是什么意思 we should have had one long ago We should have a talk __him. Should we just have a walk? we have only three donkeys是什么意思还有we We should practice_____ (speak)English whenever we have time. what should we do when we have a fever ?/是什么意思 What should we do?when we have the fever we have a _____ holidayA.three days B.three-days C.three day's D.three days'