couldn

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couldn

1.Villagers here are poor and couldn'；t afford to buy food for themselves.Their belts are pulled tight against their bony 2.She couldn’ther tears when hearing the bad news.3.She couldn’t have come at a better time.最合适的译文是（）。4.Why did the author feel he couldn’t lie to Einstein?5.I had （） yesterday, and I couldn't concentrate on my class.6.He couldn’t have finished the task on his own last night,（）?