what _are _ you __doing_(do)?I _am closing_ (close)the windows.Look!The windows_are closed_ now.
问题描述:
what _are _ you __doing_(do)?I _am closing_ (close)the windows.Look!The windows_are closed_ now.
答
what _are _ you __doing_(do)?I _am closing_ (close)the windows.Look!The windows_are closed_ now.