As is recorded in history, silkworms (蚕) were first raised by a woman in _____ is today Hebei Province.
The teacher tried to _______ him to stop using the mobile phone on the campus, but he wouldn’t listen.
He asked me ______________.
With a lot of homework _________last weekend, Tom didn’t go to the movies with his friends.
A number of students _____ absent today, the number of whom ________five.
________________, the experiment is sure to succeed.