【2015·重庆】Like ancient sailors, birds can find their way____ the sun and the stars.
The population of China is larger than____ of Japan.
This Englishman is good at writing, reading and _____ is kind to others.
What he said,_____, has nothing to do with what he did.
—— There will be a storm soon. —— I am afrai?_____.
_____ heat is different from temperature?