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Which of these scientists was born in 783?

1) he usually visits his grandmother  every saturday  (not is)

2)  what time does she  work ?  

3) how often  do you  use your car ?  

whether the brother now reads the book, whether he plays the computer, whether the grandmother sleeps, whether mum prepares a lunch, whether the grandfather the tv looks, whether the father reads, whether kate plays the piano, whether the brother listens to music, whether reks near to it sits.