Question

Mike Smith has been in China for fifteen years.  He has made _____ Chinese friends.
A. a lot of    B. a bit of          C. A set of .

Answer 1

A

a lot of许多，大量，修饰可数或者不可数名词；a bit of一点，少量；a set of 一套，一副。句意：麦克史密斯已经在中国十五年了。他交了许多中国朋友。结合语境可知选A。