If you have a job, ________ yourself to it and finally you’ll succeed.[ ]

He is _____ careless a student thathe often _____ some letters while writing.

’dwritten earlier, I’d have known when youto go on holiday

How was the chess competition last week. Jack-Bad luck! David beat(击败）me in the competition and _________first place.

对下列各句中“以”字的用法分类正确的一项是（ ）①伏惟圣朝以孝治天下②但以刘日澕西山③谨拜表以闻④生物之息相吹也⑤以八千岁为春⑥臣以供养无主⑦御六气之辩，以游无穷者⑧耕植不足以自给⑨问征夫以前路⑩倚南窗以寄傲