How can you expect me to make friends ____ you if you always play jokes ____ me?

What caused the accident and who was responsible for it ________ a mystery.[ ]

(2013·吉林长春三校高三调研)It is important to introduce children to healthy nutritious foods from ________ they begin to eat solids

I like these photos and they can me the life in the countryside.

古人行文时，为了把对象写得更具体可感，常不直说某人或某事物的名称，而是借和它密切相关的名称去代替。对下面句中加横线词所代替的内容，解说不正确的一项是（ ）