.He asked ____any elephants in the zoo the day before. A,if did you see B,if you had seen C,whether did you see D,that you had seen
We must do what we can to ____________the river ______________.
Paper produced every year is _______________the world`s production of vehicles.
—A second, please. I have another call coming through. —_____. I’m not in a hurry.
He has to finish the experiment today. He must be in the lab, ______?
Not far from the school there was a garden, _____ owner seated in it playing chess with his grandson every afternoon.