请把'He had no sooner returned than he bought a house.'改为含有'hardly……when'的句子,

问题描述:

请把'He had no sooner returned than he bought a house.'改为含有'hardly……when'的句子,

Hardly had he returned when he bought a house请问是否一定要倒装?不一定要倒装Hardly had he returned when he bought a house =He had hardly returned when he bought a house