The new plant can’t the cold weather, so the researchers are trying to deal with it.
A great deal of science and technique has been______since China carried out reform and open policy.
No advertisement so far______can have the same effect as this one.
A healthy life is frequently thought to be______with the open countryside and home-grown food.
—Wow,your picture looks splendid!—I______it on my computer.
In the past,ice ______food.