His first lecture is of great use to our development. But his latest one is worth attending.
A. better
B. more
C. very
D. much
网友回答
(答案→)A. better
B. more
C. very
D. much
解析：句意：他的第一个报告是对于我们的发展有用，但是他的最后一个也是值得参加的。这里be well worth doing值得做某事。worth前不用其它的词来修饰。故选A。