问题
选择题
—You know. Bob is a little slow ____ understanding, so…
— So I have to be patient ______ him.
A.in ; with
B.on; with
C.in; to
D.at; for
答案
答案:A
考查介词与形容词构成的短语。be slow in在……方面反应慢;be patient with对……耐心。