29．What can we learn about the little secretary？
A．He is a junior high school student
B．He does not like to be with his brother
C．He knows more about English than about
math．
D．He cannot do his brother’s homework very well
30．Which is said about the“I”？
（A） He is called David．
（B） He feels his brother’s love for him．
（C） He has taught his brother a lot of math and
English．
（D） He is smart enough to make his brother work
for him．