2. 职称英语
  3. His mind was______on one thing: how to break record in the game.A、concentratedB

His mind was______on one thing: how to break record in the game.A、concentratedB

游客2024-07-16  9
问题 His mind was______on one thing: how to break record in the game.
选项 A、concentrated
B、described
C、observed
D、depended
答案 A
解析 本题考查动词(短语)的被动语态。concentrate意为“集中注意力于”，可与on搭配构成固定短语concentrate sth．on sth．，符合题意。describe意为“描述”，用作及物动词，其后不接介词；observe意为“观察，发现”，用作及物动词，其后不接介词；depend常与介词on搭配，意为“依赖”，不用于被动语态。
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