Draw a green umbrella with ______ A.pen B.pencil C.marker D.markers请问:为什么

问题描述:

Draw a green umbrella with ______ A.pen B.pencil C.marker D.markers
请问:为什么

D

选D
with这个结构接具体工具需要在可数名词单数前加上冠词.如:with a pen/pencil/marker