问题
选择题
Mr. White as well as his friends ________ a number of countries in the past few years.
A．has travelled
B．have travelled
C．had travelled
D．travelled
答案
答案：A
考查主谓一致及时态。as well as连接两个主语，谓语动词与前一个主语保持一致，故用单数，根据时间状语in the past few years，故用现在完成时，故选A。