In many places in China bicycle is still popular means of transportation.A. a; theB. the

问题补充：

In many places in China, bicycle is still popular means of transportation.

A. a; the

B. the; a

C. a; /

D. /; a

答案：

A. a; the

(答案→)B. the; a

C. a; /

D. /; a

解析：考查冠词：句意：在中国的许多城市，自行车仍然是一种流行/受欢迎的运输方式。第一空bicycle为可数名词，可以用the bicycle来表示该事物范畴；第二空为“一种...的方式”，当然用不定冠词a/an.选B。