The dragon flew over the mountains. “flew” is the past tense of “___”. A. fly B. flies C. flying D. flyer 相关知识点: 试题来源: 解析 A。解析:“flew”是“fly”的过去式。“long ago”是一般过去时的标志词。“fly”的过去式是不规则变化。反馈...
21、The present and past perfect tenses both belong to the perfect tense. 现在完成时和过去完成时都属于完成时态。 22、Many past things have flashed on the mind of him. 他忽地想起了许多往事。 23、I've got past caring how to pay the bills. 我已经不再关心怎样去支付账单了。 24、She knew...
FUTURE TENSE: http://www.dailykos.com/story/2014/10/14/1336495/-NASA-Methane-hot-spot-in-U-S-is-triple-the-size-of-previous-estimates?detail=email AGU: https://denverclimatestudygroup.com/wp-content/uploads/2014/07/2014-Methane-Leakage-Eagle-Ford-and-Bakken.pdf Fracking blog 8 Oct Frac...