Momo and Ste talk about studying

Ste: Hi Momo. When do you study English?

Momo: I study before school and after dinner.

Ste: I see. Where do you study?

Momo: Usually at home, but sometimes in the library. How about you? When do you study Japanese?

Ste: I study at 5pm.

Momo: Where do you study?

Ste: I study in my room.

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after: (の)後　

sometimes: 時々