The Dragon Boat Festival, also called Double Fifth Festival, is ________ the fifth day of the fifth moon of the lunar calendar.
____ is often the case, the teacher has made the teaching plan before the new term.
– Would you please lend me some money?-- ____. I was not born with a silver spoon in my mouth.
The book was written ______ careful observations and detailed studies.
A short man appeared suddenly in the doorway, and Dave had to pull up __________ so as to avoid bumping into him.
There is nothing worse than putting in the effort to plan and prepare for a trip only to arrive at a ____ hotel with disgusting service.