Right from the start there was trouble with the Hubble. 是不是因为trouble是不可数名词,所以这里用单数谓语was? 是不是因为trouble是不可数名词,所以这里不可用冠词a, 也不能用复数troubles?但trouble前为什么不加冠词the?
以下句子中的to and from属于两个介词用and并列,后面只带了一个宾语:
Local buses run regularly to and from the nearest town. 当地有往返最近城镇的班车。
I rely on the train to take me to and from work each day. 我每天靠火车上下班。
E...
用 joined, joined in 填空:Soon some of the teachers ______ the singing.Some of us decided to _____ the strike.Everyone there ______ the conversation. 除写出答案,也请老师分析一下原因。
...off.变成了现在完成时,taken off是修饰the back and top panels的定语。翻译成这台洗衣机有被拿下来的背板和顶板。感觉跟要表达的意思不一致。表达洗衣机的背板顶板已经拆下来了,写成This washing machine's back and top panels have been taken o...
在张道真语法书上有这样一个知识点:如果虚拟条件从句中含有were,had或should,可以将if省略,而把这几个词放到主语之前,构成倒装结构。Should he come(=If he should come), tell him to come to my office.Were it necesary(=If it were necessary), I might go ...