According to Darwin's Survival of the Fittest, only those species that were able to ______ the sudden great changes of their living conditions survived.
I was not _________her presence till she spoke to me.
________ that accompanied the homeless beggar to the hospital?
--- How come that you’ve ________so many bad habits? --- Because of my parents who ________ drugs.
You are a gifted girl and ________ to be admitted to the key university.
Early in the morning __________ the news _________ the Chinese Team defeated the Japanese Team.