(2023) ÈÇÓ×ÅÍÈÅ ßÇÛÊΠ| ßÇÛÊÈ ÂÎÑÒÎÊÀ | ßÏÎÍÑÊÈÉ III/369
Languages Study | Languages of the East | Japanese III
ÀÓÄÈÎ 369 | GRAMMAR I - 05.04
The ending of the long form of a verb can be replaced with ~ましょう - ~mashoo or ~ましょうか - ~mashoo-ka to suggest a plan of action.
issho-ni, toshokan de benkyoo-shimashoo.