问题
选择题
As she is a _____ visitor to our house, we look on her as a part of our family.
A．fluent
B．frequent
C．unexpected
D．friendly
答案
答案：B
题目分析：句意：因为她经常到我们家来，所以我们把她看作我们家的一员。Fluent流利的；frequent频繁的；unexpected想不到的；friendly友好的，选B。