问题
选择题
Joe, along with her three sisters, _______great interest in writing these days.
A．was showing
B．were showing
C．is showing
D．are showing
答案
答案：C
考查主谓一致。along with连接两个主语，其谓语动词根据前一个主语决定，故谓语动词用单数，根据时间状语these days，用一般现在时，选C。