there is a sheep on the hill
问题描述：
there is a sheep on the hill
a few b little c lots of d lot of
注意，前面是is 你们一个都不对
答
选B.
因为sheep虽然是单复数同形,但它是可数名词.
a few和a lot of都可修饰,但谓语动词前面需用are.
lots of 根本不可和前面的a连用.
选择little在此处理解为“小的”
“山上有一只小山羊.”