He _____(dream)of being a pilot when he was very young.

问题描述:

He _____(dream)of being a pilot when he was very young.
这个空应该填dreamt我没有问题 但of在这里起什么作用?这里有什么固定用法吗?求教

dream of doing sth.梦想做某事啊,固定词组您看这句话行吗?He had a dream ofbeing a pilot when he was very young.可以,做动词时要说dream of