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问题: 填空

(1)THE elephants ought ________(feed)now by thekeepers.
(2)it was useless___________(study)for such an examination

解答:

(1)THE elephants ought ________(feed)now by thekeepers.
to be fed是对的。
首先ought to指的是“应该”,而又因为大象是被喂的,所以用被动式。本题还需要记住一个不规则的变形:feed-fed-fed
翻译句子:
这头大象现在需要被看守人喂食了。

(2)it was useless___________(study)for such an examination
本题的考点其实是useless.It is useless doing… =It is no use doing…表示“做什么什么没有用处”。其中,it作形式主语,真正的主语是后面的动词-ing式短语。
例子:
It is no use asking him about it.
问他是没有用的。

以上回答哪里不明或错误请提出,加油!^_^