half an apple 还是a half apple还是都可以

half an apple 还是a half apple还是都可以 an apple and a half以及one and a half apple和half an apple分别用is还是are? a half apples还是a half apple a half hour还是half an hour? an hour and half还是an hour and a half one apple and a half是复数还是单数? 是a apple tree还是an apple tree? What a delicious apple还是What an delicious apple? ________(a还是an) amazing apple 1.half of an apple ( ).括号里添is 还是are? 关于an apple a day,keeps the doctor away到底是an apple a day an apple one dayone apple a day还是one apple one day half a day 为何不说half day.类比half apple what can a whole apple do that half an apple can't这是个脑筋急转弯,请网友猜猜看 that is an red apple有a,还是an啊 These are an apple and a pear.还是This is an apple and a pear. 一个苹果或一个梨是an apple and a pear 还是an apple and pear? one and a half apples&one apple and a half的谓语动词应该是复数还是单数? an.Apple.a.