Mary is very clever and worth teaching , but her brother is not .Look he is now asleep in class.
A. very ; very
B. much ; very
C. well ; very
D. well ; fast
网友回答
A. very ; very
B. much ; very
C. well ; very
(答案→)D. well ; fast
解析： 题意：玛丽很聪明，很值得教，但是她的弟弟不。看他正在课上熟睡呢。be well worth doing sth. 很值得干某事；fast asleep 熟睡。