every minutes ,还是every minute在确定复数的情况下

every minutes ,还是every minute在确定复数的情况下 every few minutes为什么不是every a few minutes 为什么是every few minutes而不是every a few minutes every five minutes什么意思 every 45 minutes 的意思 relax 20 minutes every day _____a bus every ten minutes 圣诞节前夜的英文是Christmas Eve还是Christmas’ Eve - _________do you spend with your kids every day?-About 10 minutes.填:How much time 还是how long?回答how long不也可以说about 10 minutes吗? Bus No.5 runs every ten minutes 还是选once ten minutes我们之前不是学过一周一次可以说 once a week吗 at eve还是on eve就eve,没有christmas之类的 The light goes out for five minutes every two minutes. The light goes out for five minutes every two minutes. I've run for 20 minutes every morning___(keep) in good health.这里用 to keep还是keeping? 为什么? the old man to the radio every eve-ning Eve comes here every morning.But where is she today? Eve comes here every morning.But whereis she today.汉语 twenty minutes' way 还是twenty minutes' road