truth,notice,youth worker,bookworm,reply,pleasure,usage,punc

thanks for your reply it will be a great pleasure for me,if 我写的邮件,Dear ShirlyIn reply to your letter ,we have pleasure i worker The worker is ______ in repairing the machine to notice my c notice bookworm的汉语意思 bookworm什么意思? bookworm可数吗 bookcase bookworm 意思? web usage mining是什么意思? usage instructions是什么意思 完形填空：Bookworm and netter 原文,