Library beings in ten o'clock. (The library opens at ten o' clock.)
Museum beings in nine o'clock. (The museum opens at nine o' cock.)
I stayed the hotel with my family. (I stayed at the hotel with my family.)
Ms.Miki teaches science. (Ms. Miki teaches science.)
She called me Mai. (Good)
They helped each other. (Good)
He caught the taxi. (He got/took a taxi.)
I caught a butterfly. (Good)
I swam in the sea. (Good)
He swam in the pool. (Good)