根据汉语提示,完成句子。 1. 动物园为濒危动物们提供家园并且帮助教育公众关爱它们。 Zoos ______ homes ______ many endangered animals and help to educate the public about ______ them. 2. 你能告诉我你什么时候看完这些VCD 吗? Can you tell me when you can ______ these VCDs? 3. 昨天下午,我到家时妈妈正在上网。 Mother the Internet when I reached home yesterday afternoon. 4. 冰箱是用来为食物保鲜的。 A refrigerator______ for the food cool and fresh. 5. 那些无家可归的孩子在救护村里得到了很好的照料。 Those homeless children ___ ___ (look) after in the SOS Village.