From space, the earth looks blue. This is __________ about seventy-one percent of its surface is covered by water.
Practising Chinese kungfu (功夫)can not only ____ one’s strength, but also develop one’s character.
If I ruled (统治)the world, I would _______ the world ______ everything that is bad.
What led you _______ that Bob might be the thief ?.
I think, the Chinese teacher will surely give _____ on your composition.
Rather than ________ the crowded bus, I prefer _________ to school.