Hi !!
1- b- watching
2- a- wouldn't be spending
3- ?- to Peru , the Andes, <em>???? should be </em><em>to </em><em>South America ......</em>
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4- c- more efficiently than
5- b- will have explored
☺☺☺
<span>Audrey was the youngest of three to four thousand black children who marched, protested, sang, and prayed their way to jail.</span>