she is in America ,in不也是动词么?为什么还要加is呢?

she is in America ,in不也是动词么?为什么还要加is呢? she is in America she sitting in the room为什么不加IS she is next door 为什么不加in She is in America.对in America 提问. Canada is in( ) America 动词填空初中My aunt is an engineer in America．She __1__（work）in th where you left it in my study.不是状语从句吗?为什么前边还要加 it is直接where不 America is in south of____ 英语翻译Her name is Mary.She comes from America.She is in China The weather in China is in America she is in the dinning hall.she is having lunch there 为什么不填di