问题
选择题
. She is a kind-hearted woman and often has _____ mercy _____ people who are in trouble.
A.a; on
B.\; on
C.a; o
D.\; to
答案
答案:B
考查介词,短语:对某人表示仁慈 have mercy on sb ,句意:她是一个好心的女人经常对那些陷在困境中的人们表示仁慈。所以选B。