财神腐竹
幼苗
共回答了18个问题采纳率:72.2% 举报
【问题1】This farm tool needs _.A.repair B.to repair C.repairing D.repairs
【解析】应当选A,repair.这里repair 作为名词,并且它是不可数名词,故排除D选项.
如果repair作为动词,此处应用被动语态,即to be repaired.故B C 选项都不妥当.
【问题2】The little boy is dirty from head to foot because he _____ in the mud all morning.
A has played B is playing
C has been playing D was playing
【解析】后边有all morning,那么这里应该是个完成进行时,即C.A选项是完成时,它表示一个动作或行为完成,显然这个句子强调的不是完成了玩泥巴的动作,而是强调小男孩玩泥巴玩了一整个早上.
1年前
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财神腐竹
主语是 farm tool,动词时repair,自然要用被动语态。 [刚又查了一下,我觉得你说的也对,似乎needs repair 和 needs repairing 放在这里都行。也许是我们对这两种表达方法的细微区别还理解的不够透彻,又或者题目本身出的不够严谨。]