.China is one of the largest countries in the world, _______ 9.6 million square (平方) kilometers.
—Everyone has periods in their lives_________everything seems very hard.
—Is he coming? —I'm not sure.He may be late or,____, he may not come at all.
—Did you enjoy the book? —Yes, it was so interesting that I could hardly_________it.
Listen to the two girls by the window.What language_________?
It was not a serious illness, and she soon____ it.