Question

そうちゃん

5問とも正しい方を教えてください！

2( )内から適切なほうを選びなさい。
1) I (have already known/ had already known) the story before I heard it from him.
2) The boy is tired because he (played / had played) in the park all day.
3) The bridge (have had no problem / had had no problem) until the big storm came.
4) Ryo (had been studying / was studying) with his friends until the bell rang.
5) She realized that she (has left / had left) her notebook on her desk.