But he still went on working and ___A writeb to writec writesd writing为什么要用ing形式?

问题描述:

But he still went on working and ___
A write
b to write
c writes
d writing
为什么要用ing形式?

GO ON后面接不定式,并且AND的前后师太应该一直 ,即WRITE应该与WORK时态保持一致

D. writing
tense 应该跟 working 是一样的

D
go on doing
前面有working,所以后面也用ing形式的动词