6. She learned to survive in a _________(荒芜的) island.
7. The boy spoke in a very low voice, ________(承认) he had broken the glass.
8. Now that we are all part of the _____ (全球) village, everyone becomes a neighbor.
9. All these difficulties were caused by natural 灾难). (
10. The world is full of _______(机遇)and challenges.
