问题标题:
there____apen,twopencilsandthreerubbersinthebox.
问题描述:

there____apen,twopencilsandthreerubbersinthebox.

孔波回答:
  is   therebe句型的就近原则,看apen,决定用is
查看更多
其它推荐
热门其它推荐