I．根据句意及首字母提示补全单词
1．H ，they haven’t found the missing boy．
2．N of the students except Jim is in the know of the exam．
3．We can use s energy to do many things today．
4．He found it i to make her change her mind．
5．I have very happy n to share with you．
Ⅱ．用方框中所给短语的适当形式填空
