-----Where ____ you put the ruler? I can't see it anywhere. -----I put it right here. But now it is ____.
—Would you mind giving your advice on how to improve our efficiency? —If you make _____ most of forty-five minutes classes day after day, there will be _____ switch in grades.
China is known __ ____ greatly in terms of its cultural values over the past few years.
—I did very well in the English exam last week. —I did ______. I got a full mark.
I need to call my friend David ______ coat I walked off by mistake yesterday.
My suggestion is that Tom ______ there on time.