The coal miners________in the coal mine for 10 hours before
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The coal miners________in the coal mine for 10 hours before we came to their rescue. |
[ ] |
A. had trapped B. had been trapping C. had been trapped D. would have been trapped |
C
whether they may be canaries in the coal mine for a potentia
英语翻译METHODSMine characteristicsThe coal mine in the Mbeya Re
the use of coal and
____ the temperature might drop,coal was prepared for warmin
__ the temperature might drop,coal was prepared for warming.
what are the differences between 'hard coal' and 'soft coal'
On hearing the news of the accident in the coal mine,she pal
On hearing the news of the accident in the coal mine,she( )
Of the over 300 miners trapped in a coal mine in Liaoning,ho
Word came ______ 115 people were saved from the coal mine .
more than 100 workers from the Wang Jialing Coal Mine()in Ap
--On July29,69 miners were trapped when the coal mine was fl