My father needs ______now.A.six slices of applesB.five slices of onionC.four piece of onionsD.five piece of breads为什么B错的?onion在这里不是不可数的吗?

问题描述:

My father needs ______now.
A.six slices of apples
B.five slices of onion
C.four piece of onions
D.five piece of breads
为什么B错的?onion在这里不是不可数的吗?

以高二的水平告诉你选A.onion谁可以加S的.