The plural form of stereo is stereos.
The plural for stereo is stereos.
The plural form for the noun stereo is stereos; the plural possessive form is stereos'.
The plural form of stereo is stereos.
stereos = plural of stereo - here stereo means a device for playing vinyl records (??). We have two stereos in our house. Stereos used to be popular in the 1970's
The word crises is a plural word; it is the plural form of the word crisis.
Stereo total Stereolab Soda Stereo Stereos Sonido Stereo Stereo MCs Stereo Palma Death by Stereo The apples in Stereo Stereo Deluxe
The sentence you have offered is oddly constructed. It is not clear why you are calling the club different; from what does it differ? I would rephrase as follows, for the sake of clarity: The club's activities require a radio, a stereo, and a guitar. In that case, of course, the word activities is plural. In your original version, there is no plural as such, although activity can be understood to include more than one form of activity.
There is no plural word for if.
The plural form for the demonstrative pronoun this is these.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
The plural word of delay is delays.
the plural word is comedones