he doesn't know (what should be taken) to start a business here. _英语解答

he doesn't know (what should be taken) to start a business here. 是正确的吗?what此举中可当主语吗?

人气：281 ℃　时间：2019-08-21 20:54:47

解答

这个句子完全正确.what在此引导宾语从句,同时又充当宾语从句的主语.