单项填空(共20小题；每小题0.5分，满分10分)
从A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该选项标号涂黑。
1. --- He is a very hard-working student．
---________．As far as I know, he often burns the midnight oil．
A．You can say that again B．Absolutely not
C．Heaven knows D．No way
2. Of the two brothers, Bill is _____ younger one, and he is a quiet boy, _____ that most adults like very much.
A. a; one B. a; the one C. the; one D. the ; the one
