Question

（2006年普通高等学校招生全国统一考试浙江卷，4） _______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

  A. As   B. That     C. This      D. It

Answer 1

D.

解析:

本题考查it作形式主语，代替that improvements in health care will lead to a stronger, more prosperous economy，而其他选项均不可以充当形式主语。