The experiment has ( )at lastA succeeded B failC tried D made

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The experiment has ( )at lastA succeeded B failC tried D made
The experiment has ( )at last
A succeeded B fail
C tried D made

The experiment has ( )at lastA succeeded B failC tried D made
这个空要填一个不及物动词,因为空后面再没有宾语了,所以CD排除,又因为has后面应该跟动词的过去分词形式,所以B不可取,只能选A!A填进去,意思也通,所以它是正确的.

B

A 考点是has加动词过去分词,可以把B排除,再根据意思可以把CD排除

A 这个实验最终成功了