She kept looking behind ______to see if she was being followed
A. her
B. herself
C. her own
D. she
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If a studem can make what has been learned whether in class or from social practice ______ ,he will make steady progress.
A. he
B. him
C. himself
D. his
We have made ______ clear that we are strongly against smoking in the office.
A. this
B. that
C. it
D. one
Try to be independent, for your parents can't do __________for you all your life.
A. something
B. nothing
C. everything
D. anything
I would like to buy some good English reference books, but _______ was available from the bookstore, where I only found some Chinese ones.
A. nothing
B. no one
C. none
D. neither