------You ran into Mr. Li! How did that happen? ------Well, _______ of us was looking where we were going. We came around the corner at the same time.
It was the training ____ he had as a young man ____ made him such a good engineer.
Nobody but doctors or nurses and those____ by Dr.Hu ____ to enter the patient’s room.
The owner of the shop asked his assistant to ____ the pears that can be thrown away.
You have worked so hard---you’re____ to pass the exam.
Their loving ____ was discovered by their parents.