,Good afternoon!,Lets Guess!,Whats this?,Whats this?,Whats this?,Whats this?,Whats this?,Whats this?,Whats this?,Whats this?,Whats this?,(What is) Whats this in English? “什么”,“这、这个”,“用某种语言”,Its a . an .,Whats that in English?,“那、那个”,Its a . an .,不定冠词a/an的用法,相同：可数名词的单数形式前，一般应加a/an表 示其为单数，泛指“一个”。,不同：a用在以辅音音素开头的单数可数名词前面; e.g.: a map a banana an用在以元音音素开头的单数可数名词前面; e.g.: an orange an apple,Homework,Please practice the conversation with your partners after class!,Thank you!,
