We forbid ______ in the lecture hall, so you are forbidden _____ here
The days are gonephysical strength was all you needed to make a living.
The new financial policy of the United States has ______ a chain reaction in the international money markets.
I don't doubt ______ he has the ability to deal with the situation, but ______ the problem can be solved quickly depends on his attitude.
—I will buy you a mountain bicycle as a reward if you pass the college entrance examination. —______.
—Mrs. Smith! Tom has broken the mirror! —________ Such things happen.