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1. read these sentences and choose the right form of the verb. write down three combinations of numbers and letters with a comma

example answer: 1a, 2a, 3a

1. ann my best friend since we were five.

a. has been b. was

2. we each other for a long time.

a. didn't see b. haven’t seen

3. my sister here since 2012.

a. has lived b. lived