While he was going shopping,I slept还是was sleeping,为什么?

while不可以换when while后面加延续性的动词 when后加终止性动词 希望被采纳!
再问： 再问你一点，while the man was calling the police，the women called the newspaper，这里为什么不用 the women was calling the newspaper.
再答： 当这个男人正给警察打电话时 这个女人给报社打了电话