Question

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

Answer 1

A

解析:

be slow in sth./doing sth.表示“在……方面慢/迟缓”be patient with sb.表示“对某人有耐心”。类似易混淆的短语有：be strict with sb. in sth.;be good at sth.;be good to sb.; be weak in sth.;be popular with sb.等。