15624 个回答
as he was bid还是as he is bid
你忽略了句子的谓语动词时态。He had been taught to do as he was bid. = to do as he was ordered.对比主动语态：His father taught him to do as he was bid.
回答于 1秒前
in exchange for 用法的理解
你刚好理解反了。in exchange 为交换，后接for表示想要得到的东西。例如： I will give you my watch in exchange for your bike. 我用我的表换你的自行车。
回答于 1秒前
not 放在动词前和动词后的区别
choose 通常的用法是，choose to do sth, choose not to do sth. 不定式否定的是不定式。choose在此的意思为decide。即决定做或者不做某事。如果用don't choose to do, 则意为don't decide to do. 不符合逻辑。改用完成体还说得过去，一般现在时是讲不通的。
回答于 1秒前
选择题:"I promise you that I will give you a pre
will表示句子主语的意志，shall 表示说话人的意志。说话人作了主语，用will表示主语的意志。换一下结构。I promise you that you shall have a present next week. 这个句子中的shall表示说话人的意志。如果改为will则成了预测意义。再看下句：He will kill you. 杀你是主语he的意志。他要杀你。He shall kill you. 杀你是...
回答于 1秒前
than的分析是否对
有一种观点认为，先行词被比较级修饰时，定语从句的关系代词不用that，而用than。即这种观点认为than引导的是定语从句，than是关系代词，指代extent, 作realize的宾语。 该书即采用这种观点。
回答于 1秒前