.Miss Li ________ as a biology teacher for fifteen years in our school, and now she is Party secretary of our city.
It remains to be seen whether the plan which has been approved can be ________.It depends on your determination.
Which do you enjoy ________your weekend,swimming or fishing.
—Nowadays a growing number of people go to work by bike. —Bicycling is good exercise;________it doesn't pollute the air.
Not until we saw the manager did we know that the bank ________the company for the purpose of reducing its borrowings.
1.Why don't you go for ________walk?It'll give you ________appetite for your lunch.