They peasants did what they the crops, but failed. A. could save B. could saving
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They peasants did what they _______the crops, but failed.
A. could save B. could saving C. could to save D. could saved
试题答案
C 考查句子结构。从句what they could(do)作动词did的宾语,不定式to save the crops作全句的目的状语。防止误选A.