They each a CD in their bags .A. haveB. hasC. isD. are.

问题补充：

They each a CD in their bags .

A. have

B. has

C. is

D. are.

答案：

(答案→)A. have

B. has

C. is

D. are.

解析：have，has是实意动词，表示某人有某物。Is，are一般用作系动词或者助动词，和there 搭配使用表示某地有某物。句意：在每个人书包里面，他们都有一张CD。结合语境可知本句表示的是某人有某物，主语they是复数形式，故谓语动词用复数形式，选A。