Tom's grades _(frustrate) his parents at that time

问题描述:

Tom's grades _(frustrate) his parents at that time

frustrated
frustrate 作及物动词,有“使沮丧”的意思,由at that time 可知是在那时候,应该用过去式,所以加上d,即填frustrated。翻译为:那时候汤姆的分数令他父母很沮丧。

frustrated 使某人沮丧
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Tom's grades frustrated his parents at that time.
at that time.在那时 是过去式,所以加D
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