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LM

5. Having been delayed by heavy traffic, ____

A. it was difficult for her to arrive on time

B. her being late was intolerable

C. it was impossible for her to arrive on time

D. she was unable to arrive on time

6. ____, methane can be used as a fuel

A. It is produced by the fermentation of organic matter

B. The fermentation of organic matter isproduce

C. The production by fermentation of organic matter

D. Produced by the fermentation of organic matter

NN
22 tháng 9 2018 lúc 10:27

5. A

6. D

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