C.选sad 和 happy 不符合上下文语境.也不合逻辑.如选worry.意思上讲得通.英语中却没有 worry of 这个词组.要改成 worry about才对. We should remember that we all learned our own language well when we were children. If we could learn 1 second language in the same way. it would not seem so 2 . Think 3 what a small child does. It listens to what people say and tries 4 what it hears. When it wants something. it has to ask 5 it. It is using the language. talking in it. and thinking in it all the time. If people 6 use a second language all the time. they would learn it quickly. We learn our own language 7 hearing people speak it. not by seeing what they write. We imitate 8 what we hear. In school. though you learn to read and write 9 to hear and speak. it is the best way 10 all the new words through the ear. You can read them. speak them. and write them later. 【查看更多】