请把你知道的家用电器填上。
电视机
电脑 洗衣机 冰箱
电扇 空调
(答案不唯一)
—May I speak to Tom?
—Sorry, he is not at home. He _____ to Shanghai.[ ]
A. has been
B. has gone
C. goes
D. went
以精度等级为0.02的游标卡尺为例，说明其读数方法。
