it is ______reading the bookA worth Bworthy of Cworthwhile三选一
问题描述：
it is ______reading the book
A worth Bworthy of Cworthwhile
三选一
答
A
这是固定用法。值得做某事。
这里是痂丶为你作答 谢谢采纳！
答
C ,worth只能用于sth is worth doing,表示某事值得做,而不能用it is worth doing,一定要把sth 放在前面,worthy of 也一样,要把sth放在前面用,只有worthwhile 可以有It is worthwhile to do/doing sth