Question

【题目】He let me repeat his instructions __________ sure that I understood what was __________ after he went away.

A. to make; to be done

B. making; doing

C. to make; to do

D. making; to do

Answer 1

【答案】A

【解析】句意:他要求我重复他的指示，以确保我明白他离开后我要做什么。to make sure不定式作目的状语；what与do构成被动关系，因此用不定式的被动式。