I can BBC English programmes clearly on my radio.A. picked upB. pick upC. picks upD. pic

问题补充：

I can BBC English programmes clearly on my radio.

A. picked up

B. pick up

C. picks up

D. picking up

答案：

A. picked up

(答案→)B. pick up

C. picks up

D. picking up

解析：在我的收音机里我能听到清晰的BBC英语广播。情态动词后要跟动词原形。