Yingying a piece of litter, and put it into the rubbish bag.
—One day,Dr Bethune ______his finger during an operation,but he _____his work.
--I can’t remember the words all the time . ---_________________?
Though Han Mei has studied _______at English for several months, she can still______speak it .
The coat ____too much . She ______220_______it.
- Sometimes students hardly understand their teachers,________? -No, they________. I think they should tryto understsnd their teachers.