一般来讲,个人的包裹、单位的危难见属于商业货物()
参考答案:错
―Isn’t it hard to drive downtown to work?
—Yes, that’s why I ________ to work by train.
A.have been going
B.have gone
C.was going
D.will have gone
ETF可分为场内认购和场外认购两种方式。()