1. Walking down the street, she noticed a long of houses, all exactly alike.
A. queue B. rank C. train D. row
2. The president has told his friends that he is sick but will not admit it .
A. in private B. in secret C. in public D. in detail
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解析：
1. a row of houses (desks, books etc.) 一排房子(书桌、书等)，戏院的“一排座位”即为a row of seats. queue (乘车，购物的)队，队伍。Rank(军队队列中的)排、横列。train指“（行进中的）长列，队列”；a long train of visitors(一长列参观者)。
2. in public 公开地，当众；in private 私下；in secret秘密地; in detail 详细地。