The poor boy had difficulty walking为什么前面是has而后面用walking
The poor boy had difficulty walking为什么前面是has而后面用walking
The poor boy had difficulty walking为什么前面用过去式后面的walk用现在进行时呢?
You can't imagine what difficulty we had walking home in the
the walking
walking the
walking
为什么前面用to learn 而后面用learning呢?
I had difficulty walking back to my classroom.这句话是什么句型?请解释
he hurt his leg yesterday .He has difficulty walking now.句中为
They had much difficulty r__ money for the poor children.
walking in the park为什么加ing
One day a poor student was walking through a town.He had not