—Is your brother a quiet boy?— No he never stops A. talkB. talkingC. to talkD. talks

问题补充：

—Is your brother a quiet boy?

— No, he never stops

A. talk

B. talking

C. to talk

D. talks

答案：

A. talk

(答案→)B. talking

C. to talk

D. talks

解析：本题考查非谓语动词。stop doing sth表示停止做某事。句意：——你哥哥是个安静的男孩么？——不，他从说过不停。