—Where is Jack? — In the sitting room. He TV with his brother.A. watchB. watchedC. is wa

问题补充：

—Where is Jack?

— In the sitting room. He TV with his brother.

A. watch

B. watched

C. is watching

D. was watching

答案：

A. watch

B. watched

(答案→)C. is watching

D. was watching

解析：句意：——杰克在哪里？——在客厅里。他正在和他的弟弟一起看电视。根据Where is Jack?可知此处指的是现在杰克正在哪里，故用现在进行时，故选C。