— I hear you have written a novel?— Yes, the book ____ come out in a month or so.
The two balls fell ________the same speed and landed ________the ground at the same time.
After many years of hard work,Mary and her husband had at last paid ________all the money they had borrowed.
They thought the meeting was ________great importance.
________the birthrate down by 10%,the number of the population has decreased.
The army went ________the thick forest and at last came to a little river.