この課を暗記しなさい。

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

lesson; section (in an organization); division; department; counter for lessons and chapters (of a book)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

memorization; memorisation; learning by heart

to do