23 —____________. This is my newly-built house.— Oh, what a beautiful villa! A Here it is. B Here you are. C Here we are D Just look at it.
—Are you used to __________ in the north with the old couples?—Yes, I am glad to find out that coal is used __________ electricity for home use.
__________ be late for the first class, Bill took a taxi instead of riding to school that morning.
—Bob, are you free at the moment? I have to ask you some questions.— __________.
You are __________ to hand your paper in before the class is over.
We have planted some more flowers around the campus, which __________ the beauty of the whole school.