l have been to Shanghai这句是对的.
因为Shanghai是一个地点,地点前面要用介词to
请点击下面的“选为满意答案”按钮,there is still a lake in it.和there is yet a lake in it选哪个选there is still a lake in it.yet只用于疑问句和否定句，肯定句中不能用如果我的回答对您有帮助，请点击下面的“选为满意答案”按钮，谢谢您！still和also 哪个更好you can go to d____ museumsand theatres to see plays and films如果我的回答对您有帮助，请点击下面的“选为满意答案”按钮，谢谢您！