Present perfect(for and since) Juniors

I have lived in Barranquilla___ six months

• for

• since

I have danced___ I was small. (FOR or SINCE)

She has studied English at Cursos Libre___ two years

• for

• since

He hasn't seen his jacket ___ yesterday, I think he lost it. (FOR or SINCE)

Our dog has been ill__ two days.

• for

• since

Things have changed ___ they became English students. (FOR or SINCE)

We haven´t seen our keys ___ last friday.

• sence

• foor

• since

• for

Kenner and Valeria bought a new laptop last month, but they have only used it__ fifteen days because it was damaged at first. (FOR or SINCE)

We haven´t seen each other __ our last year at primary school. Definitely we need to catch up!

• for

• forr

• sence

• since

Go and eat something, Valerie! You have played computer games __ this morning. Besides, you need to do your homework for tomorrow English class.

• foor

• for

• since

• synce