He also called it a “problem that impacts our national security and the safety of our citizens” and has “a serious impact on the peace and stability of ... the internati...
如果是一般现在时,后面从句用现在完成时态;如果是一般过去时,后面从句则用过去完成时态。该结构中 that 可以省去;it 有时用 this 替换,常译为“是第一(二)……次……”。 It is the first time I have been here. = This is the first time I have been here. 10. It ...
空格处所填入的词需要和后面隐含的宾语答案来构成顺畅的语义搭配,只有D选项seek(试图、设法、寻找)符合要求;A选项refuse(拒绝),B选wait(等待),C选项regret(遗憾)带入后,语义不通顺。故正确答案为[D]seek。 3、【答案】[A] hurt 【解析】此处考察词义辨析。空格所在句...
解析:这句话简化之后就变为A is essential to life. 注意一下:A is essential to B的意思是:A对于B 来说很必不可少。 A所代表的这个Getting enough vitamins中通过它出现的位置是主语的位置,就确定了其名词的身份,再通过其ing的长相我们知道它是动名词。看getting 后...
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