Unit 4 In town习题一、按照自己的想法补充完整对话。-Where is the park?- .-Where is the hospital?- .-Where is the library?- .-Where is the supermarket?- .-Where is the post office?- .二、选择完成对话A.We are here, near the train station.B.It’s next to the post office.C.Turn right here. It’s...