i have a friend in shanghai.我上海有个朋友.只是泛泛提了一下,一个朋友所以用a
i have a friend in shanghai.the firend is good at diving.我上海有个朋友.这个朋友跳水很好.(此时特指上海这个朋友了)
i have a friend in shanghai.我上海有个朋友.只是泛泛提了一下,一个朋友所以用a
i have a friend in shanghai.the firend is good at diving.我上海有个朋友.这个朋友跳水很好.(此时特指上海这个朋友了)