our factory is much more productive now.this year's production is five times _____it was ten years ago.为什么用what(闲人勿扰)
问题描述:
our factory is much more productive now.this year's production is five times _____it was ten years ago.为什么用what
(闲人勿扰)
答
What代前面的production.
答
what在这做it was的宾语!ok!