题目内容

芝加哥交易所发明了全球期货交易市场的两大基石,这两大基石是

A. 会员制
B. 保证金交易
C. 杠杆制度
D. 标准化合约

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How can you possibly miss the news? It ________ on TV all day long.

A. has been
B. had been
C. was
D. will be

-Sorry to have interrupted you. Please go on.-Where was I?-You ________ you didn’t like your father’s job.

A. had said
B. said
C. were saying
D. had been saying

I arrived late; I ________ the road to be so icy.

A. wouldn't expect
B. haven't expected
C. hadn't expected
D. wasn't expecting

I ________ while reading the English textbook. Luckily, my roommate woke me up in time!

A. had fallen asleep
B. have fallen asleep
C. fell asleep
D. fall asleep

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