30.The problem of global warming ______ for decades. A: has been existed B: has existing C: being existed D: has existed
30.The problem of global warming ______ for decades. A: has been existed B: has existing C: being existed D: has existed
Confucian had existed before Confucius.
Confucian had existed before Confucius.
Slavery still existed in the United States nowadays?
Slavery still existed in the United States nowadays?
As a phenomenon, intercultural communication has existed for thousands of years.
As a phenomenon, intercultural communication has existed for thousands of years.
在下面程序运行结果为（）。 A: SCORE existed! GREED is not defined! B: No SCORE! GREED is not defined! C: SCORE existed! GREED is defined! D: No SCORE! GREED is defined!
在下面程序运行结果为（）。 A: SCORE existed! GREED is not defined! B: No SCORE! GREED is not defined! C: SCORE existed! GREED is defined! D: No SCORE! GREED is defined!
Several literary trends existed side by side in the Victorian Age.
Several literary trends existed side by side in the Victorian Age.
There _____ to be nobody in the office. A: happened B: has C: existed D: is
There _____ to be nobody in the office. A: happened B: has C: existed D: is
Some national political institutions existed in America before the War of Independence.
Some national political institutions existed in America before the War of Independence.
Miraculously, they ____ the bombing. A: survived B: existed C: conquered D: overcame
Miraculously, they ____ the bombing. A: survived B: existed C: conquered D: overcame
Parameters in Universal Grammar is described as a set of ___ that have already existed in your mind.
Parameters in Universal Grammar is described as a set of ___ that have already existed in your mind.