中科新闻网盐和避难所 人偶:English choose
来源：百度文库 编辑：中科新闻网 时间：2024/07/02 17:39:25
2. It’s of the utmost importance that you ____ here on time.
A) be B) shall be
C) are to be D) must be
A) be B) shall be
C) are to be D) must be
选B,subject clause
a, “it is …that… 句型
A
虚拟语气
D) must be
D) must be
a