下列成语使用全都正确 的一项是（ ）① 王进喜和他的战友们初到北大荒；筚路蓝缕；钻井探油；不愧为大庆油田的开拓者.② 连绵起伏的群山郁郁葱葱，一座座小岛，仿佛浮在绿色的水面上，山环水绕、山高水低，令人陶醉，鄱阳湖，美丽的湖，神话的湖，充满诗情画意的湖。③ 关于他的籍贯和生平，研究的人虽然根多，但一直言人人殊，始终没有一个定论，因此这个问题还可研究。④ 唐太宗李世民尽心国事,宵衣旰食,励精图治,重视吸取隋朝灭亡的教训,减轻赋税, 发展生产,于是有了被史家称道的“贞观之治”。⑤ 你作为高教授的学生，却在背后说他的坏话，你真是忝列门墙！让我们这些同学怎么说你好呢⑥ 安金鹏的母亲卖了家中唯一值钱的牛给儿子凑学费，真是心劳日拙。

He got his first book published. It turned out to be a bestseller. —When was ________ — ________ was in 2000 when he was still in college.

When can I come for the photos? I need them tomorrow afternoon.—They _____ be ready by 12:00. [ ]

Why did you leave that position?—I a better position at IBM

______ his son away to college, the old couple got more room in the house.