2. 当由一般疑问句充当宾语从句时,用if或whether引导,意为“是否”。 (1) Is it an interesting novel? I don’t know. I don’t know if /whether it is an interesting. (2) Does Cathy go to school early? Do you know? Do you know if /whether Cathy goes to sc...
“That does it.”这个句子可以用来表示不愿意再接受或面对，意思是“行了；得了；够了”。例句：That does it, I'm off. I'm not having you swear at me like that.够了，我要走了。...
What do you see as the next step to build on that after a no first use policy has been agreed by all nuclear states? Secondly,what about negative security assurances for non-nuclear weapons states? How does that play into this? In spite of my pro...
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