people on that island have many different and interesting ways of ______ thingsa .to do b.do c.doing d .does
问题描述：
people on that island have many different and interesting ways of ______ things
a .to do b.do c.doing d .does
答
c
答
C
答
应该是C
因为of 是介词,介词后面跟动词ing形式,所以用doing