What's the plural of "stationery"? Stationery or stationeries?

stationeries.

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1. Plural form of stationery
2. What's the phonetic sign of houses?
3. The last phonetic sign is s, which is a clear consonant, followed by the plural s. I should read s, right? And the house [Haus] in the book changes to the plural house [hauziz]. Why? Is it because it ends with E and adds s, so read [iz]?
4. Plurals of horse and house and their pronunciation What is the pronunciation of plural
5. This is the reaction word of this, the plural of boy, the third person singular form of be, the possessive case of Tom, the corresponding word of black and the phonetic sign of name Want words
6. How to read a phonetic sign with Z ending and s ending and plural? Do Z and s read / iz / when they are plural or third person?
7. A number is both a factor of 64 and a multiple of 8. How many such numbers are there? A number is both a factor of 64 and a multiple of 8 emergency
8. What is the formula for calculating an acre of land What is the formula of its length multiplied by its width
9. Chickens and rabbits in the same cage: there are 100 chickens and rabbits, 40 more feet than chickens, how many chickens and rabbits each? (use equation)
10. There is no schoolbag on our desk There are 48 doctors in that hospital How do I say this?
11. Lots of / a lot of is plural when it is followed by countable nouns, and singular when it is followed by uncountable nouns
12. Is a lot of followed by (countable) plural or (countable) singular?
13. Is it OK to add plural or singular nouns after a lot of? I see the following explanation examples in the American dictionary windy/windi/adjective wind·i·er; wind·i·est 1:having a lot of wind▪ It's a windy day.▪ It's windy outside.▪ a windy part of the country 2:using too many words▪ He gave a long,windy speech.▪ a windy politician 1wind/ˈwind/noun plural winds 1:a natural movement of air outside [count] ▪ The storm was accompanied by northerly winds.▪ A gusty/light wind rustled the leaves.▪ strong/hard winds [noncount] ▪ The wind is blowing hard.▪ There isn't much wind today.— see also crosswind,downwind,headwind,tailwind,trade wind,upwind,whirlwind The number 1.2.3 is followed by the English dictionary explanation, and the number is followed by an example. 1:having a lot of wind 1wind/ˈwind/noun plural winds 1:a natural movement of air outside [count] Wind is a countable noun with plural form.
14. Is either of them singular or plural?
15. Whether to add singular or plural after "neither of"
16. English special singular to plural Homomorphism of simple and complex numbers Plural noun to plural
17. English singular to plural For example, add the word es Change y to I plus es Words used only in the plural Special form (e.g. man) A little more of each word
18. Change the following sentences into singular or plural ones 1.This is a tiger. 2.Those are eggs. 3.Is it a bottle? 4.Are these mice? 5.There is a sheep on the hill.
19. Change the following singular sentences into plural ones 1.Is that yourbackpack? 2.I am English teacher. 3.What color is it? 4.Are you in Class One? Yes,I am.
20. What is the plural of this?