宾语从句过长 状语能否提前

问题描述:

宾语从句过长 状语能否提前
如 All people sit together to discuss in a relaxing atmosphere what they did last year and they plan to do this year.是否正确?
what they did last year and they plan to do this year 中的第二个they能否省去?为什么?

最好省去.因为这样才能体现出AND的并列作用而且多了一个they就是并列句了,而并列句就缺少成分了,加个what?请问第一个句子是否正确不对。有they的话说明后面是个句子,而这个句子里do少宾语。还要再加个what。