Then Needham began his lifelong research,______ ended up creating the
greatest work—Science and Civilisation in China为什么不能填写who呢,先行词是人Needham,Needham开始他毕生的研究,Needham最终创造了巨著——中国科学技术史。
If the man is only interested in your looks, ____ just shows how shallow he is.答案填 that,说 that 指代的是前面的状语从句,that 不是不可以指代句子么?如果可以指代句子 除了指代状语从句还可以指代哪种句子么,谢谢!
Until we have discussed all the details, no decision _____ about any new operations.A. is made B.is being made C.has been made D .will be made这道题目C,为什么不可以选呢? 直到我们已经讨论了所有细节,仍然没...
Had he not been so busy taking diamonds,he would have felt the blow.1。例句中,为什么要把had提到句首,这样有什么作用?2。还想问一下老师, (should, could , would ,may,might) have done , 语气由强到弱,这样排列对吗?