_______isknowntoall，Chinawillbean_______powerfulcountryin20or30years’time.
Theteachergave_____theexaminationpaper.
Childrenwhoareover-protectedbytheirparentsmaybecome_____.
5岁小儿的正常血压约为（）
Itseemsasifthesun_____roundtheearthsinceitrisesintheeastandsetsinthewest.
