We got to work and succeeded, after a good deal of ______, in making our butter.

游客2023-11-16 18

问题 We got to work and succeeded, after a good deal of ______, in making our butter.

选项 A、trial and error
B、morning and night
C、bitterness and hard
D、failure and success

答案 A

解析考查固定搭配。trial and error为固定搭配，意为“不断摸索，反复试验”，符合题意，为正确答案。

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