电磁学的地位和作用:Couldn't we ask some one to do the work privately without anyone knowing?

Couldn't we ask some one to do the work privately without anyone knowing? on't forget our friendship and don't ask why we depart and when couldn't翻译 It rained heavily yesterday,so we couldn't go out.改同义句以We couldn't go out开头rain结尾应怎么改 We couldn't work it out .里的"it"指代什么? We couldn't work it out .里的"it"指代什么? Error:loader couldn't initialize service! Error:loader couldn't initialize service! I couldn't agree more couldn't help 后面加什么？