...nance workers were circulating through the office space ensuring power had been restored,which it had.首先这是一个复杂句S：Building maintenance workers，其中building maintenance是名词作定语修饰workersP：were circulating,又助动词的be和动词circulate构成动词词组谓...
...甚至还可以有非谓语形式。如：Since his
accident he hasn’t been able to leave the house. 自出事之后，他一直未能离开家。You might be able
to persuade him. 你也许能够说服他。I hope to be able
to do the work. 我希望能干得了这项工作。I regret not
being a...
The island may have been settled by marauding brutes, but it is now the most feminist society on the planet, and with that one tantalizing fact, Sunday's episode of "The Wonder List" was born.请问：and with that one tantalizing fact 是什么意思？
...示“失去能力”“伤残”“残疾”。(1) inability用例：He was frustrated
by his inability to wave down a taxi. 连一辆出租车都打不到，他很沮丧。They were worried
about their son’s inability to make friends. 他们为儿子不善交友而发愁。The book’s
wea...
Preservatives, at the level
included in commercial pet foods, have never been scientifically demonstrated
to cause any problems in pets (or people) at less than 100 times the levels
found in such foods. On the other hand, the current policy for many cat food
manufacturers is toward using natural pre...
例句如下：The policeman asked the thief, “when were you born?”The policeman asked the thief when he / she was born.转为间接引语后为何不是when he / she had been born(变为过去完成时)？
...ve 2、He is taller than she is.3、More people came to the party than had been invited.4、The river is deeper in summer than in winter.5、Falstaff might have rendered more romance to the ton than Romeo's rickety ribs would have rendered to the ounce.问题（1）：以上为than引...
The proportion of one kind of person or thing in a group is the number of people or things of that kind compared to the total number of people or things in the group.compared to the total number of people or things in the group.是定语短语修饰 the number of people or things of t...
...to do
it all alone. 由于每人帮我，我只好自己干。There having been no rain, the ground was
dry. 一直没有下雨，土地干旱。There being nothing to do, I went to bed. 因为没事可做，所以我就上床睡觉了。There being nothing eatable within his
reach, Oliver replied i...
...或者现在完成进行时如：So much has changed in the sport since I was a teenager.但有看到过是引导的句子是现在完成时的而非过去式Since you're finished the work, you may leave anyime1、想问since引导状语从句是现在完成时的话，主句一般可以有什...
...长了3倍多，年均递增3.1％。
The total grain output in 1995 more than quadrupled the 1949 figure, or an average increase of 3.1% a year.
别人跟我讲more than在这里作副词，quadruple在这里作谓语动词，这我明白了，但是我不明白
",or an average increase of...
...hine took the sludge as food and
began to eat it! Within weeks, it had all been digested, and all that was left
was pure water. 翻译：结果让他感到惊讶。生态机器里的动植物把污泥当成了食物，开始吃了起来！没出几个星期，污泥就被消化掉了，最后只剩...
Does Apple have another 40 years ahead of it, now that it has 40 behind it? As the world’s most valuable public company hit its anniversary last week, it’s the obvious question, in a world where the pace of technological change, enabled by globalization and the internet, is faster than ever...