Some students take ________ for granted that they can learn English well so long as they do many exercises.

I am really worried about _____ I have hurt his feelings, though I didn’t mean to.

How was your recent trip to Sichuan?— I’ve never had ________ one before. [ ]

What fresh air, ________?

(广东)下面语段中加横线的词语，使用不恰当的一项是 ( )石钟山上那些错落有致的奇石以及记载着天下兴衰的石刻令人叹为观止。石钟山的名字也叫得奇，围绕这一名字的由来，人们开展了激烈的争论。卷入这场争论的，有名扬四海的文人墨客，也有戎马倥偬的赳赳武夫，还有名不见经传的山野村人。无论结果如何，不容置喙的是，石钟山因此更加有名了。