When you play this game, you must keep your eyes ___ and your mouth ___.
—What can I do for you? —I want _______ iPad for my son. He needs _______.
—Would you like to watch the TV program A Bite of China with me? —, but I’m busy reviewing for my test.
It’s said that of the water around the world ________ polluted.
I think health is than wealth.
Neither the students nor their teacher _______ the solution to the problem.