ithink it's/it easy for me to learn english.为什么it's和it都可用,外加

ithink it's/it easy for me to learn english.为什么it's和it都可用,外加举例.、the story you
up is really intertening,为么is不用过去式.we are looking forward toseeing you.为什么seeing 是宾语.he no longer lives here.he doesn't live here any longer,这两句与其他转换不同,let’s ask gina insead of tina,球分析句子成分