In a formal football match, each team can have three players to _____ their teammates when necessary．
A. replace B. substitute C. represent D. exchange
问：这题我知道选B。但我很郁闷，substitute 不是要与 with 或其他介词连用吗？
This same absence of moral purpose was wounding companies such as News International, she thought, making it more likely that it would lose its way as it had with widespread illegal telephone hacking.粗体的是状语从句吗？如果是那么have的宾语省略了吗？
So for a company in this situation, keeping up to date with the latest technology, even if it's only for the benefit of key staff, this can be hugely expensive.
请问老师，keeping up to date with the latest technology是什么成分
A nearly decade-long drought combined with historically high temperatures have created tinder-like conditions in the nation's central regions. 请问这句话的谓语动词是不是应该用单数 has？
Although Backholer believes it is up to individuals to make their own decisions when it comes to their
dietary choices, with one in four Australian children now suffering from
obesity, she is calling on the government to step in and take action.
He is happier with Mary than he is happy with Jane.He is happier with Mary than with Jane.除了以上的这种，是不是还可以这样：He is happier with Mary than he is with Jane.除了这两种还有吗？
...said that the death toll in the tsunami in Indonesia had climbed over 400, with a lot more reported ________．A. to miss B. to have been missing C. having missed D. missing老师，这题选B，不定式完成进行，但是这个reported如何理解，是修饰...
...e of the U.S.A. than get tied up to there,” said a retired civil servant with a complexion the color of ruby port. “ 我宁愿英格兰成为美国的第51个洲，也不要跟法国连在一起，” 一位退休的公务员如是说，他的脸色红得就像红葡萄酒。 请...
She wants to know whether the measures have been agreed ( ).A. toB. withC. aboutD. uponE. over答案是D.upon (=on). 但是我很奇怪和不解：A. to, B. with, C. about - 这3个选择不也可以吗？