请问此题如何选择:Millie,where______ ? I called you many times and nobody answered it. A. were you B. have you been C. did you go D. have you gone我倾向于选择B(现在“已经回来”了,两人在当面对话),但是参考答案是A!...
We climbed a mountain about 2000 meters high.The killer is a man over 30 years old.请问这两句话中,about和over是程度副词吗?以第二句话为例,他们的修饰关系是:over修饰和30 years,然后over 30 years再修饰old,最后把over 30 years old整体看作是形容词...
It was porters and large or small horse caravans that brought back and forth goods inclu-ding tea , horses , fur and traditional Tibetan medicine along the Road.这里porters and caravans明显是复数,是因为看成整体所以用it来强调吗?
_____ be a definite relation between these paintings and the …A.There can B.There may练习详解里面这样写到,但学生并不是很理解:情态助动词can虽然也可用来表示可能性,但它不用于表示存在的there be结构中,表示存在某种可能...