1.你为保护环境做了些什么
问题描述：
1.你为保护环境做了些什么
What _____ you______ to ________ the environment?
2.他去上海已经有一星期了
He _______ ________ _______ Shanghai ________ a week
答
What have you done to protect the environment?
He has gone to Shanghai for a week.