—You see,I am poor in Chinese,you are not good at English.
—That’s ______ we should help each other.
A.why
B.where
C.how
D.what
—You see,I am poor in Chinese,you are not good at English.
—That’s ______ we should help each other.
A.why
B.where
C.how
D.what
B
考查表语从句，根据提示，应当选择表示地点的关系副词where。