单项选择题 Though the wide universe is full of good, kernel of nourishing corn can come to (man) (only through) his own toil (bestowed) that plot of ground which is given him (to till).（）

单项选择题 (A favorite story) among (acoustic) experts (concerns with) a noisy Long Island suburb where, every day and night, huge trucks (rumbled down) a freeway.（）

单项选择题 The subject may (be approached in) several directions, but (the scene) cannot be fully (from) any (one vantage) point.（）