问题
选择题
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
答案
答案：D
第一空考查短语：值得做某事 be worth doing ，非常值得做应用well修饰，第二空为固定短语：fast aslepp熟睡，所以选D。