单项选择题
A.清洁液B.钳子C.油灰刀D.硬刷子
A.I’ll do it foor you now.B.I’ll bring it right away.C.Just a moment.I’ll do it now.D.I’m sorry I was so careless.
A.请往前面走B.请这边走C.请随我来D.您先请