I had to leave early this morning because I had a parent-teacher association to attend.
我今天早晨得早走，因为我得去参加家长会。
The head of the parent teacher association is elected by all the parents.
并由全体家长投票选出家长会长及副家长会长。
The head of the parent teacher association is elected by all the parents.
并由全体家长投票选出家长会长及副家长会长。
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