be going to + 动词原形 — 英语选择题
题目
学校科学周到了,Lily 和 Ben 正在讨论小组的研究计划。Lily 说:"I ___ going to read some books about animals." Ben 回答:"My cousin and I ___ going to do some research about birds." 下列填入横线处完全正确的一项是:
A. am; are
B. is; are
C. am; is
D. are; am