His mind was________on one thing: how to break the record in the game.

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问题 His mind was________on one thing: how to break the record in the game.

选项 A、concentrated
B、described
C、observed
D、depended

答案A

解析 concentrate意为“集中注意力”，可与on搭配构成固定短语concentrate sth．on sth．，意为“全神贯注于”，符合题意。describe意为“描述”，不与on搭配；observe意为“观察，发现”，也不与on搭配；depend常与介词on搭配，意为“依赖”，一般不用于被动语态。

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本试题收录于：大学英语三级B级题库大学英语三级分类