worth while 前是否加be?请具体说明并举出例句.

worth while 前是否加be?请具体说明并举出例句. be worth your while啥意思?例句, this article is _ to be studied carefully.A.worth B.worthy of C.worthy D.worth while答案是C,为什么呢?请各大侠帮我解释解释吧~~~ worth用法worth可以被什么词修饰啊?可以在worth前加比较级吗?有much worth的用法吗还是只能much more worth? be worth of 后加动名词吗?跟 be worth doing有什么区别呢? worthwhile、meanwhile 中的-while代表什么意思呢?请懂词根词缀的朋友解释一下worthwhile还可以分开写成worth while，worth (one's) while 为什么呢？ be well worth being done是否有这种用法 well worth和worth while区别 be worth visit,visit为什么不加ing be worth后面加动词的什么形式? be worth doing sth .doing前面加in么? It is worth while reading the book.It would be worth his while helping the foreigner.为什么用would为什么一句加would,另一句不加? 一道英语选择题,详细解释并翻译,谢谢36.Perhaps it wouldn’t be ________ to go and see such a film.A.worthy you while B. worth of while C. worthy of while D. worth your while 等等前是否加逗号 Mars前是否加the 为什么形容词前加be 英语语法里如何区别be adj后面加doing还是to do?比如 be worth doing be worth nothing