Tim is one-year-old boy. He can say a few words.A. aB. anC. /D. the

问题补充：

Tim is one-year-old boy. He can say a few words.

A. a

B. an

C. /

D. the

答案：

(答案→)A. a

B. an

C. /

D. the

解析：考查冠词.句意:这是个一岁的男孩.结合语境可知本句泛指任何一个一岁的男孩one词首是辅音,故不定冠词用a,选A.