...rbert, has always been fat, but things got so bad recently that he decided to go on a diet.句中“has always been fat”用了现在完成时，究竟是什么含义？这里为什么要用现在完成时呢？可以改成“is always fat”吗？含义有何不同呢？麻烦老师深入分析一...
...m malice; for nations, like individuals, can find themselves locked into difficult positions, unable to back down.A. do not always results from malice; for nations, like individuals, can findC. do not always results from malice; nations, such as individuals, can find老师，按照GMAT的规则...
今天做一道题：What have you decided to give your mother （ ）her birthday？答案应该是for，但我填了on想请教各位老师，birthday前面的介词是用on还是for？又如语法网上这个例句：I remember being given a bicycle on my tenth birthday，为什么就用on...
CNN:《The history and future of ice cream》Unilever is the corporate home to some of the world's best known ice cream brands. In Q2(第二季度) it saw online food and refreshement sales grow 139 percent over last years.上句sales grow是否应该为sales growth ? 不然的话，动词grow怎...
...a morning decorated by fancy clouds，I returned within one day to Jiangling a thousand miles away。（朝辞白帝彩云间，千里江陵一日还）第一句是状语从句吗，两个动词left是状语从句的谓语，decorated是过去分词做形容词吗，decorated为什么...
It’s
known to us all that there are so many truck air conditioners brands and bus
air conditioner in the market, such as Auto clima, Thermo King, Denso, KingTec
and Kingclima brands. 请问这里的bus
air conditioner后面为什么没有brands?
...比较常见的是 different。如：This dictionary is little different to that one. 这本词典与那本词典没什么不同。我还查到一个little short of（几乎）的习语：Our escape was little short of miraculous. 我们能够逃出来简直是奇迹。我的问题是：除上面的...
...f immigration over time, which sees the majority of all immigrants getting to Ontario, and in part because all official and commercial services in Ontario are conducted in English, even though French is available by law, if not by practice.老师，这个句子我有两个疑问，第一个疑问是...
Purchasing has been referred to as doing “the five rights”: getting the
right quality, in the right quantity, at the right time, for the right price, from the right source.请问: for the right price，这里为什么不用at the right price？
...这里可以看到一片美丽的景色。
I haven’t been able to do that up till now. 到现在为止我还没能这样做。
By then he was more than fifty years of age. 那时他已五十多岁。
在这几个句子中，请老师详细解释一下副词怎么作宾语？介词...
Never waste time wondering if you _______ a good future. Just work hard if you keep trying your best to study, you _______ make if.A. have, make B. will have, will make选 A 为什么不行？have a future 不行？现在就没有未来吗？
...tion entailed the risk that human digging of ditches and canals could lead to sudden heavy water runoff from rainstorms, digging further down into the ditches and canals and carving out deep channels called arroyos.与 digging further down into the ditches and canals and carving out deep channels ca...