问题描述: 、-I can't find my key.Bob.Can you help me?-Sorry,I'm busy( ) English. 1个回答 分类:英语 2014-11-23 问题解答: 我来补答 e busy in sth.忙于做某事I can't find my key.Bob Can you help me 我找不到了我的钥匙了,Bob,你能帮助我吗?I'm busy in English.我正忙着学英语. 展开全文阅读