你在课桌上捡到一本书,你会问同桌:________A.Is this your book? B.Is this your box?
come along A.休息 B.出现
report card A.成绩单 B.比赛项目
take care A.整理 B.保重
safety first A.安全第一 B.很舒适
smile at A.听说 B.对...微笑