未完成过去时可用于描写或标明某个重复了一段时间的动作或状态。()
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法语动词的变化可以表明动作的发生,还可表达一个或几个动作彼此发生的时间顺序。()
Jean Piaget stated that as the child grows up, his capacity of ______would become more and
Gattegno anticipates that using the Silent Way would require most teachers to change their