Do I place an apostrophe when talking about temperatures.

[Uran]

English Grammar Tests, Elementary Level

ESL/EFL Test #44 "Basic Weather Expressions", question 1

Yesterday ......... was very sunny outside.

(a) he
(b) it
(c) she
(d) they

English Grammar Tests, Elementary Level

ESL/EFL Test #44 "Basic Weather Expressions", answer 1

Yesterday it was very sunny outside.

Correct answer: (b) it
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Do I place an apostrophe when talking about temperatures (i.e. 80's and 90's)?

Uran

[Mister Micawber]

.
It is done sometimes, but most grammarians say it is incorrect. Use 80s and 90s.
.
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Native English teacher at Mister Micawber's