The question that puzzled them is ____ they can get rid of the air pollution in the area.
This dictionary is at least three times as thick as you borrowed from the library.
The city is 1.500 kilometers ______ our school.
Let ‘s go to ____cinema ----that will take your mind off the problem for ___ while.
Such food doesn’t keep long. You may as wellit in fridge.
David did not regret saying what he did but felt that heit differently.