Tom and his mother often watch tennis matches on TV?Yes they .A. Do; areB. Are;

问题补充：

--- Tom and his mother often watch tennis matches on TV?

--- Yes, they .

A. Do; are

B. Are; are

C. Does; does

D. Do; do

答案：

A. Do; are

B. Are; are

C. Does; does

(答案→)D. Do; do

解析：

试题分析: 句意：汤姆和他的妈妈经常在电视上看网球比赛吗？是的。本题的时态为一般现在时，主语为 Tom and his mother是复数，不能用第三人称单数does，和be单数形式is，句子中有实意动词作谓语，此句为一般疑问句，上文用do提问应用do回答,故选D