—He should have been punished for the serious mistake.— ________, but he escaped it.
______ is even more important is that water began to appear on the earth’s surface.
I regret ______ you that you have not been chosen for the performance.
—Waiter, ______ ? —Sure. Here’s your bill.
The number of the students ______ this year’s entrance exam is 650,000 less than last year.
. It ______ last night ______ Tom saw an interesting film in Dongfeng Cinema.