I haven’t seen you for a couple of days .What have you been up

Every minute has been made full ______ of by the girls______ knowledge about etiquertte

How do you _____ we go to Xian, Yinchuan and Taiyuan for our holiday? — I really think that we travel by air, which is comfortable. [ ]

We should not ________ economic growth that will harm the environment.

______ do you go to the park —–Once a week.