依次填入下列各句横线处的成语，最恰当的一组是（ ） ①诗家素有“一篇《锦瑟》解人难”的慨叹。不论是“悼亡说”“恋情说”还是其他说法，也不管论述得如何充分，和诗歌自身给我们的感受比起来，总是令人有_________的感觉。②由于学生的表达能力不强，解答诗歌鉴赏题时，经常出现__________ 的情况，所以解答时不但要理解诗歌，还必须掌握一定的鉴赏术语。③原来一些领导干部喜欢看上级脸色，专拣领导爱听的话说，汇报工作时________，大话、空话、套话连篇，实情少、水分多；现在有所收敛了。

Some people try to knock me down, only______ me more determined to do better. [ ]

________ is it from here to the nearest bus stop–It takes about 15 minutes on foot.

You won’t stay up too late today, will you — _____. I am very tired and I need a good rest.

Sam ______ some knowledge of the computer just by watching others working on it.