The experiment is well worth ______ again.

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问题 The experiment is well worth ______ again.

选项 A、trying
B、being tried
C、to try
D、to be tried

答案A

解析 be worth doing为固定搭配,doing为动名词,应用主动语态。注意:注意worth,worthy,worthwhile的用法:worth只能作表语,后跟动名词;worthy和worthwhile可作形容词放在名词前,也可跟worthy of+名词;worthy to be done;be worthwhile。
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