These new ideas which need ________ sound fine.

A．trying on B．trying outC．to try on D．to try out

 

B

【解析】

試題分析：句意：這些需要試驗(yàn)的想法聽起來很好。首先區(qū)分詞組：try on“試穿”，try out“嘗試，試驗(yàn)”，所以排除AC，另外表示“需要被...”，用need doing或need to be done，所以選B。

考點(diǎn)：考查詞組和動名詞的用法

 

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