Plural. Always plural

She gave me advice but I didn't listen.
Could you help me to carry all this baggage?
The countryside here is beautiful.
Accidents cause a lot of damage - be careful! I don't feel comfortable with electronic equipment.
This evidence is not very reliable.
I like your furniture - where did you get it?
Your hair looks great - how do you get it to look like that?
She is in very good health.
The teacher gives a lot of homework and expects it in on time.
Where do you get your information from - is it reliable enough?
Do you have much knowledge of economic theory?
I don't need this money - take it back.
The news says the weather is going to get better.
I've got permission to go.
You've made progress - keep trying.
I had a lot of work to do in town and I've only just finished it. (Compare: I had lots of jobs and I've only just finished them.)

Plural:
Clothing
trousers, jeans, shorts, tights, glasses pyjamas underpants
scissors, scales, binoculars, pliers, goods, glasses, handcuffs(наручники), scissors, spectacles, stairs, headquarters, Dungarees (джинсовый полукомбинезон)
cattle, police, earnings, premises, surroundings, savings,
valuables, thanks, congratulations, odds, oats (овёс), clothes
are/were
these/those
they
do
3. Always plural
trunks (короткие штаны)
pants
overalls (спецодежда)
2.Tools and equipment:
braces

Singular:
1. End in –s:
• diseases
• games
• subjects of study and activities (-ics)
Mumps (свинка), measles (корь), diabetes
cards, draughts [dra:fts], billiards, dominoes
physics, mathematics, statistics, politics, gymnastics