An apple is a fruit.这句话对吗?fruit 在这里可数吗?

an apple is a fruit翻译 An apple is a fruit.这句话对吗?fruit 在这里可数吗? My favorite fruit is an apple. 此句是否正确? My favorite fruit is an apple这里为什么要在apple前面用冠词an when an apple fruit grows on a mango tree 是Apples are a kind of fruit还是Apples are a kind of fruits还是An apple is a kind of fruit还是An apple is a kind of fruits my favourite fruit is ( ) an apple 还是apple?另外用复数 apples the apple is a kind of ______A fruit B fruits it is like a kind of fruit,______an apple or an orange.A such as B that is C for example D as 为什么选B呢? 首字母填空what apple is not an apple?A An apple is a kind of f_______ an apple is a kind of ________. My mother's favourte fruit is apple my favorite fruit ( )apple.填is?are? （）(apple)is a kind of fruit.apples ( )(be) my favourite food（ ）(apple)is a kind of fruit.apples ( )(be) my favourite food His name is Mike____his favorite fruit is the apple.A.and B.but C.不填 Is she an apple? that is an red apple有a,还是an啊