a exercise还是an exercise?到底是when do you have A exercise还是when do you have AN exercise?人人都有不同意见

a exercise还是an exercise?到底是when do you have A exercise还是when do you have AN exercise?人人都有不同意见 This is _____easy exercise填an还是a ()4.Do more ().And you’ll get strong. A.exercise B.some exercise C.an exercise take a exercise ,take an exercise ,和take exercise 哪个对感激不尽,如题-, do a lot of exercise 还是do lots of exercise 为什么 take exercise还是 take the exercise 是take exercise 还是take the exercise? a还是an uniform 用a还是an 要用a还是an? 是a还是an A fire drill is,to put it mildly,an inconvenient exercise at the best of times. you can also get a headache when you exercise on an empty stomach的翻译 For a ______(cycle),the trip is an opportunity to exercise词性转换 You may get a headache when you exercise on an e( ) stomach An exercise book is different from a notebook.(同义句转换） And she never takes ( )exercise A any B some C an Memory is more of a exercise than an instinct该怎翻译