I commanded that heat once.A. leftB. leavesC. leaveD. to leave

问题补充：

I commanded that heat once.

A. left

B. leaves

C. leave

D. to leave

答案：

A. left

B. leaves

(答案→)C. leave

D. to leave

解析：考查虚拟语气。动词command后面的宾语从句中使用“should+动词原形”构成的虚拟语气。其中的should可以省略；句意：我要求他离开离开。故C正确。