Mark said that he was unfit for the job, so he decidedto _____ from the company.

They suggested that the professor just now should be made chairman of the meeting.

If more and more people ride bikes to work, there will be______pollution.

选出加点词的意义及用法完全相同的一项…（ ）①六国破灭，非兵不利  ②旦日飨士卒，为击破沛公军　③贤于己者，问焉以破其疑 ④城之破也，妇孺不存   ⑤沛公不先破关中，公岂敢入乎

1—Is this your bag —_________.