there is ---- on the plate
问题描述：
there is ---- on the plate
onion
tomatoes
cheese
apple
onion 也不可数啊
答
There is chess on the plate.有一块奶酪在盘子里.onion 洋葱,apple苹果,是可数名词.前面要加a.tomatoes土豆,复数,与谓语动词is（单数）不配chess是不可数名词,不用加a onion它是可数,不可数都行~1.【植】洋葱[C]2....