あなたをクラスに迎えてうれしい。

you (referring to someone of equal or lower status); dear (what a wife calls a husband)

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.

class

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to go out to meet; to receive; to welcome; to greet; to salute; to hail; to reach; to approach; to enter (a phase, era, etc.); to accept (e.g. as a member of a group or family); to call for; to summon; to invite; to approach (a certain time, a point in one's life, etc.)

happy; glad; pleasant