________ a strange plant!I've never seen it before.(2011·辽宁,33)
My students are all quiet.Even after class, my students spend ___as they can playing outside.
The song sounds ___ .doesn’t it?
All these are matters __ attention.
The sudents were silent as they saw the ___ look on their teacher’s face.
To make more of other people is ___ important thing in life in the world.