Sir, physics is too difficult for me. —Tom, work hard, _______ you’ll find it easy.

Mr. Smith has taught for many years and he teaches well. All the students ______ him.

填入下面一段文字横线处的语句，最恰当的一组是专注痴迷于创造的沉酣而不作世故的权衡和功利的算计，是进入最佳创作状态和确保艺术神圣与纯洁的前提。前人早已发现：人， 。艺术品格的滑坡往往是经不住非艺术的种种诱惑而造成艺术本身相对独立性的丧失。

If you ____ any problems when you arrive at the airport, give me a ring.[ ]

The film “Taking Tiger Mountain by Strategy” is , so it is welcomed by people.