The professor said he wouldn’t attend the opening ceremony ____.
As is recorded in history, silkworms (蚕) were first raised by a woman in _____ is today Hebei Province.
______ an hour in the morning and you will be looking for it during the rest of the day.
The phrase of the year 2011, "shang bu qi", ______ "too delicate to bear a blow", reveals the public's sensitivity to personal and social problems.
We needed a new cupboard for the kitchen. So Peter made _____ from some wood we had.
Ladies and gentleman, welcome to my program. _______ me this evening is Dr. Gary.