Experts have found that normal sleep can be divided into five______stages
Students should（）their own interests as well as do their schoolwork.
I'd like to remind you that there is no_____on the part of suspects to answer questions.
He blamed his poor performance_____jet lag
We_____knowledge from our families,schools,jobs,and the mass media
Not until recently_____that Thompson had ben telling the truth all along
I don’ t need any help at the moment,but I _____your offer
The sad condition of women working as house servants around the world received much media_____early this yea
She has no hostility to us, _____can be judged from her eyes
Decision on whether the message is right or wrong should at least come after _____what the message is.