Look ! There’s football under the teacher’s desk. Let’s play football OK?A. / /B. a /

问题补充：

Look ! There’s football under the teacher’s desk. Let’s play football, OK?

A. /, /

B. a, /

C. a, the

D. a, a

答案：

A. /, /

(答案→)B. a, /

C. a, the

D. a, a

解析：句意:看,老师的桌子下面有一个足球,我们去踢足球,好吗?结合语境可知前一空是泛指任何一个足球,故用不定冠词.后一空play后面在接球类运动时,不加冠词,故选B.