The most important words in this sentence have been ______, so it doesn’t make any sense．

In 1492，Columbus ________ on one of the Bahama islands，but he mistook it for an island off India

A computer cannot remember who_____; it simply does what _________

u surprised by the ending of thefilm——–NO,I____the book, so I already knewthe story

Children need friends _____ their own age to play with.