—Can I pay the bill by check?—Sorry,sir.But it is the management rule of our hotel that payment _______be paid in cash.
It is on September 1ststudents go back to school every year.
The boy was excited he went to Beijing.
In fact, there is _____ thing as a free lunch in the world.
This is the office _____ my parents are visiting now.
Everybody got ____ when they heard the ____ story.