You can’t park here sir. It is for the ambulances only. A. protected B. reserved C. save

问题补充：

You can’t park here, sir. It is for the ambulances only.

A. protected

B. reserved

C. saved

D. swapped

答案：

A. protected

(答案→)B. reserved

C. saved

D. swapped

解析：考查动词。A保护；B保留；C保存；D交换。句意：先生，你不能停在这里，这里只是为救护车保留的。根据句意说明B正确。