请教,it was barking - ---let him in 答案选 for someone to 我选得是so

so that表目的如果要用so that的话应该说it was barking so that someone would let him in.如果按照你说的那么就时态混乱了.
再问： would 在这里是做什么解释？ 会？愿意？
再答： 就是will的过去式。