A convenient way is to set the food on a piece of aluminum oil, ______ to the air for half an hour, and then cover it with a dish.
A、
let it stay open
B、
let it stay opened
C、
letting it stay open
D、
letting it stay opened
【正确答案】
C
【答案解析】
分词做伴随情况状语，形容词open在短语中做补语，表示状态，不用过去分词。故答案为C。
提交答案
关闭