These toy bricks are _______ different sizes, shapes and colors, but they are exactly the same _________.

A. in; in weights   B. in; of weight

C. of; in weight    D. of; of weights

C 


解析:

be of different sizes, shapes and colors 表示“大小，形狀，顏色上不同”；be the same in weight 表示“在重量上相同”。

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