.—What’s the matter with the man hanging his head there? —Well, if you _______ know, he was caught stealing my bike.
The twins look alike,but they _____in character.
----Where_____the recorder ?I can not see it anywhere. -----I_____it right here.But now it is gone!
It is______to everyone that the boy has been badly treated.
I still remember the day _______I first came to Beijing.
The worker_______left leg was broken was sent to hospital at once.