1, You( must have been/ Must be) a good student when you were at school. 2, Last night I saw a boy wandering on the street. He must (have been /be)lost, I thought to myself.请问这两据分别选哪一个?如果不一样的话,为什么不一样?
active字典上只有形容词和名词,但我看到一个句子:Because the electric buttons used to active the door wouldn't work, he became a prisoner in his own car. (出自一份四级模拟卷) 这里的active明显被当成动词使用!
请问老师:这里的介词短语,在句子中作为什么成分?He then ran for Governor of New york.She was invited to stand as the Liberal candidate.We'll run a training course for the local teachers this summer.
老师好, 我在听力材料里看到下面的句子:So, do you mind many business trips? There will be six to ten times traveling abroad a month.请问老师,您觉得里面的times用得对吗?改成There will be traveling abroad six to ten times a month.呢?谢谢老师。
Although portrayed as a positive movement to open the territory west of the Mississippi to westward expansion by Anglo settlers, the Indian Removal Act resulted in the brutal death of many natives who refused to go peacefully.不太懂粗体部分的结构和意思。