play the drums,为什么drum是复数形式?

play the drums,为什么drum是复数形式? i often play the ----whth my cousins.为什么那个空填的是drums 而不是drum? Can you play ___?A the drums B the drum C drums 选哪个?为什么? play the 乐器 后面的“乐器”是单数复数?为什么piano单数,drums复数. i can play the drum 这里的DRUM是用复数还是单数 play the drums 还是 play the drum 哪个正确啊 请分别举个例子吧. They want ____ (play) the drums.为什么 I like playing the drums.中drum为何要变复数? play the drum对吗 can play the drums ,too. play the drums的意思 ( ) can you play?The drums.