The fish ____(is /are)swimming in the river.
问题描述:
The fish ____(is /are)swimming in the river.
答
are这里显然是说河里是很多鱼在游fish用作可数名词指“鱼的条数”时单数和复数形式相同(two fish两条鱼), 指“鱼的种类”时复数形式才为fishes(two fishes两种鱼); fish用作不可数名词时无复数形式,应作“鱼肉...