Don't _________ late for school next time.[ ]
A. is
B. are
C. am
D. be
答案：D
The apple is too big. Why don’t you ________ first?
A．cut up it
B．cut it up
C．cut it down
D．cut them up
教育科学研究过程包括研究的构思与设计、研究的__________ 、研究成果的分析与表述三大环节。
