Question

I know him __________ last year. *
for
since
because
either

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Answer 1

Answer:

Hiii Good morning

Explanation:

your ans is

I know him since last year

hope it helps u

have a great day ahead !!!

Answer 2

Answer:

since

Explanation:

Since as a preposition can only be used to express duration as from a moment in time - expressed either as an adverb (e.g. yesterday), an adverb phrase (e.g. the start of term) or a verb of action (e.g. I ate...).

Since as a preposition is never used with a period of time. We cannot say: since three hours Duration over a period of time is expressed with for.

E1 - moment in time: . I've been here since last week.

E2 - duration : I've been here for three hours