6. Since Dick was busy, he rarely had time to go to the cinema;__________.
A. Jane did too
B. Jane didn't as well
C. so did Jane
D. nor did Jane
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7. It was not until the accident happened _________.
A. when I realized my carelessness
B. that I realized my carelessness
C. as I realized my carelessness
D. when my carelessness has been realized
8. _______got in the wheat than it began to rain heavily.
A. No sooner have they
B. No sooner had they
C. No sooner they have
D. No sooner they had
使社会化大生产进入成熟阶段的是：
A. 联合手工劳动的产生
B. 简单协作的出现
C. 工场手工业的建立
D. 机器大工业取代手工劳动
9. Not until all fish died in the river ________ how serious the pllution was.
A. did the government realize
B. the government realized
C. the government did realize
D. had the government realized
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