求助几个英语单词的题目

求助几个英语单词的题目1.writing is a kind of productive s____.i mean it is a way to express oneself.2.you had better do some reading first,because writing is r____to reading.3.if you want to improve your writing,you should read more and write more.if you can't get started easily,try to make a l____of key points before you begin.请问是什么单词啊