don,t exercise on an empty stomach because it can cause headaches为何用on而不用with

don,t exercise on an empty stomach because it can cause headaches为何用on而不用with 例：A：how long do you spend exercising?B:i don't spend any time at all.in fact,i don't exercise.开始答题：1,A:for a walk?B:almost every day.i really enjoy it.2,A:B:i spend about an hour jogging.3,A:at soccer?B:i'm pretty good at it.i'm on th My boy,don't exercise _____ an empty stomach.A.in B.at C.on D.withAndy,could you buy some _____ for me With pleasure.A.beef B.strawberry C.tomato D.cakePlaying computer games is bad for us.You had better ask your brother _____.A.to give up it B.not t why don't you exercise more的同义句 If you don't often exercise ,you will feel s______. I don't often exercise .I _(同义句) i don’t often exercise的同义句 i exercise with an empty stomach与i exercise on an empty stomach,with与on有什么区别 Don't play on the road,or there may be an a______. 初一英语语法填空Every morning ,I run with my classmates.We run on the playground for an hour.It is hard for me _______ run with them.I don't know anything at all about running.But it is lots of fun.I start with minutes of exercise each day.I You never exercise in the morning,don't you?改错 改don't为（ ） Don,t play on the don `t count on it 找错：She doesn‘t math exercise on Sundays. 找错：She doesn‘t math exercise on Sundays.exercise是不是应该加s啊 Is___English-Chinese dictionary on the desk yours?--no,i don't haveA.an,an B.an,the C.the,an D.the,the 英语任务型阅读求大神Do you exercise every day?Some of you do,but many of you don’t.Some students say they① don’t have any time to exercise.“We must work hard.We have a lot of homework to do.We will have an exam tomorrow.” They can You never exercise、回答；___________I do exercise everyday、A 、No,I don't、 B、NO,I'm not、