Nick received an invitation from his boss,( )came as a surprise.A.that B.it C.who D.which

Nick received an invitation from his boss,( )came as a surprise.A.that B.it C.who D.which 英语翻译You used an invalid character in Nick. Received The proxy server received an invalid response from upstream server.-------------------------------------------------------------------------------- The proxy server received an invalid response from upstream server. gateway received an invalid response from the upstream gateway 翻译 my sister received an invitation from her friend同义句 he received an email __ chinese.填 at /on/in My mother received an expensive birthday present on her____birthday.(forty) 是I received an apple and is eating it还是 I received an apple and am eating it? Does Nick has an orange bag?下列句子中均有一处错误,请指出并改正 Nick是什么意思? nick 是什么意思? The proxy server received an invalid response from an upstream server. The proxy server received an invalid response from an upstream server.请求翻译,急 急 急 inv函数怎么求 inv是三角函数吗 inv就是反函数吗?