make efforts to do sth.为什么effort要加s,它是可数名词吗?

make efforts to do sth.为什么effort要加s,它是可数名词吗? make efforts to do sth.为什么effort要加s? How do you make a banana milk shilk?为什么要加a?奶昔是可数名词吗?可以说two s make an effort to do sth 和 make every effort to do sth 的区别 make efforts/an effort to do和in a common effort 为什么可数名词后面要加S? effort的用法?是什么时候单数 什么时候复数?make great efforts to do 还是effrot? no+可数名词,可数名词要加s吗? make effort to/ make efforts to 哪个对? It's a fun to do sth.fun是不可数名词为什么还要加a? 为什么【effort努力】是可数名词? make all effort 还是efforts?