Flowers along the road last year.A. plantB. plantedC. are plantedD. were planted

问题补充：

Flowers along the road last year.

A. plant

B. planted

C. are planted

D. were planted

答案：

A. plant

B. planted

C. are planted

(答案→)D. were planted

解析：句意：去年，沿着公路种了一些花。结合语境可知本句描述的是过去的动作，故用一般过去时态。主语是动作对象，故用被动语态。选D。