Time went past fast and we are in high school now.We are all required to attend the student military training in a formal army camp.Military trainging can benifits us both physically and psychologically.First,by training...
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答案应该是 has been done 因为homework是不可数名词,所以后面的谓语动词have要用单数has 另外,句子用不用被动语态要看主语和谓语动词的关系,若主谓为主动关系,则用主动...
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Does he have math every day?My favorite food is chicken....
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Moonlight Town is a place near Beijing and is not far from Sunshine Town.It used to be a quiet place.There were green hills and fresh air.In the past ,people could only go to Moonlight Town on foot.Bu......
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1.及物动词的过去分词作表语,与句子的主语是被动关系,表示主语的状态,不但表示被动,还表示已完成了.The cup is broken.茶杯破了. 2.不及物动词的过去分词作表语,与句子...
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C.hanged on挂的意思.过去分词做picture的后置定语,此处表被动,所以要过去分词,而不是现在分词,虽然说动词的ing形式也可以做定语 ,但表主动,understand?...
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