This video tells us about animal p_.start This video tells us that we should protect animals.What to do? What we should do is to protect animals.why? The reason is that animals are important. The fact that animals are important makes ushave to protect them.主语从句 宾语从句 表语从句 同位语从句the fact?判断从句两步分析法：1. 确定从句。2. 看从句在句中充当什么成分就叫什么从句。Pick up a number You cant imagine _ when they received these nice Christmas presents.A.how they were excited B.B. how excited they wereC. how excited were they D. they were
