I sing the praise of the Unknown Teacher Great Generals win campaign, (1)_it is the Unknown Soldier
who wins the war. Famous educators plan new systems of pedagogy, but it is the Unknown Teacher who delivers
and guides (2)_young. He lives in obscurity and contends (3)_hardship. For him no trumpets blare, no
chariots wait, no golden decorations (4)_. He knows the watch along the borders of darkness, and makes the
attack on the trenches of ignorance and folly. Patient in his duty, he strives to conquer the evil powers which are the enemies of youth. He awakens (5)_spirits.
【題組】
1. (A)till (B)but (C)unless (D)if