is this your first time teaching here.is this your first tim

is this your first time teaching here.is this your first tim Is this your first time this is the first time I have visited your hometown. this is the first time i'v visited your hometown This is my first time to receive your email this is the first time i came to china和this is the first tim Is this your first visit（）Dalian? this is the first time i come here 是什么句型 I hear this is the first time you _____ here. 请问如何理解 is this your first visit here 这个句型? 问:Is this your first visit to China 答:No,we were here last y IS this your first time to come to China?这句话对吗?