Although he failed when he tried doing the experiment for the first time, he dec
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Although he failed when he tried doing theexperiment for the first time, he decided to try it____.
| A．once in a while | B．at once | C．once more | D．once |
试题答案
【答案】
C
【解析】本题考查副词短语。句意：虽然他第一次做实验时失败了，可他决定再试一次。once more 再一次, 又一次。