请帮忙翻译：Mr.john kept thinking hard,but failed to come up with

For years Jones kept--up with new and good ideas.A.to come B come up with翻译 英语翻译请帮忙翻译一下这段话：soulmate is hard to find,but we should believ come up with和come up to 英语翻译请帮忙把下面这段英语翻译成中文.scientists have tried to come up with bi 1.Scientists are working hard to come up with a sure solutio 请帮忙翻译,谢谢I'm so sorry to bother you with so many emails, but 初中英语35 i feel it hard to keep up with my classmates ,But whe 英语初二题8.The cat tried hard( )up that three,but it failed beca come up to him 翻译, 请用come up with造句 He thought hard,but he came up with