What is the boy doing?—It’s not necessary for you to be ________ about others’ business.

She looks pretty ______ she wears.

s the noise It sounds as if it comesfrom upstairs. –______. It must be thewindow-cleaner working , nextdoor.

填入下面一段文字横线处的语句，最恰当的一句是（ ）民国时期有教授讲诗，一堂课下来，只一首一首朗诵，顶多在精妙之处停顿，连声感叹“好诗，好诗”。行家眼中，这种做法或者更贴近诗的本质： ， ， ， ， 。用分析、归纳与综合的理性思维去规训感性、直觉的艺术思维会适得其反。

We can never expect ________ bluer sky unless we create________ less polluted world.