英语单选...we are supposed to know how we should adjust ourselves to ___ sure we are...
As a Senior Three student,we are supposed to know how we should adjust ourselves to ___ sure we are in the proper mental state.
应填make 还是 making?
这题答案是make,说是“to make sure we are in the proper mental state”作目的状语,但也有说是 “adjust ourselvs to making sure...” making sure作宾语.此题应如何理解?