Question

るか

3番の問題で、なぜbeenが入るのかわかりません
beenとはどのような時に使うのでしょうか？
教えてください🙇🏻‍♀️

b) Mike(
2. a) My cousin moved to Sapporo in 2003, and she still lives there.
b) My cousin (
3. a) She started playing the violin two hours ago, and she is still playing it.
b) She (
) to Japan.
) in Sapporo since 2003.
) the violin for two hours.