—Do you know the most ancient city in China—Xi’an well?—No,this is the first time I ________ here.
You might as well ___ him alone no matter what he will say.
They all agreed ___ what you said at the conference.
I’m afraid I can’t take down what you’ve just ___.
America belongs to the ___country while China and India are both ___countries.
The teacher asked us to ___ Lesson Ten if we hadn't finished it.