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？
下面这个句子有点奇怪：
He tried to make it appear that she had committed suicide. 他设法让她看上去像是自杀。
疑问一：这个 it 是形式宾语吗？后面的 that 从句是真正的宾语？
疑问二：这个it 是形式主语吗？后面的 that 从句是真正...
He was impressed by Marco.Marco was surprised to see people using paper money. impressed 看成是动词的过去分词还是形容词，surprised 看成是动词的过去分词还是形容词？有何区别？如何区分？是否只是看词典上这些词有无形容词用法就行？
请问老师：For a moment Harry imagined coming here with Dumbledore, of what a bond that would have been, of how much it would have meant to him.这句话中黑体部分的of what和of how是什么结构？
It's impossible to accurately calculate how many car accidents nationwide are cell phone related?请问老师，related是被动吗？cell phone are related 2 car accidents?分句该如何还原？分句是疑问句吗？如果可以，能否改成 how many car accidents nationwide does cell pho...
...ness benefits with running, research shows,
while most likely contributing to fewer injuries. It does, however, have its
own problem. 这是2020年高考英语全国卷Ⅰ阅读理解C中的一个句子。这里的 while 后接现在分词，while有这样的用法吗？好像从来没有见过。...
...bsp; ) nothing . Come and help me with this table.
A. do
B. doing
C. to do
答案选B，我也选B，我感觉不是自己会了，而是别的选项太不靠谱太简单了。
问题1:现在分词在此做什么成分。
问题2:后半句怎么反应？help sb with sth 在某方面帮...
My mother despised inactivity. Seeing me having a good time in repose, she was powerless to hide her disgust.这个in是在..方面的意思吧？have a good time in sth 可以这么用吗？have time in sth能用吗?
---What can I do for you?---Our old sheets ________, we want to buy new ones.A. worn thin B.wearing thin C.have been worn thin D.having worn thin老师，这里是独立...