Promote the construction of main power grid structure and intelligent upgrading and rebuilding of urban and rural power grids and carry out the construction of demonstration projects such as smart grid and micro-grid. 【资料来源:省委深改办(自贸办)...
should have done ought to have done shouldn't have done ought not to have done needn't have done could have done (二)三级试题汇编 1、I'm feeling sick. I ___ so much chocolate. A. needn't have eaten B. couldn't have eaten C. mustn't have eaten D. sh...
But even with more traffic and fewer sidewalks, modern parents do have one advantage their parents didn’t: the cell phone. Being able to check in with a child anytime goes a long way toward relieving parental anxiety and may help parents loosen th...
答案B. 表可能性只能用may.此句意可从后半句推出。 比较have to和must 1) 两词都是"必须"的意思,have to表示客观的需要,must 表示说话人主观上的看法,既主观上的必要。 My brother was very ill, so I had to call the doctor in the middle of the night.我弟弟病得...
9. We feel you should not have done that. (page 24) 我们觉得你真不应该这样做。 should/ ought to have done sth 意为“本来应该干……,但未……” shouldn’t/ oughtn’t to + have done sth “本来不应该做……却做了” I wonder why she hasn’t written to us...
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