mostrar texto associado
Fill in the blanks with interrogative words (WH-questions)

A. ____ was Voyager 1 sent into space? Thirty-six years ago.

B. ____ was Voyager 1 sent into space? To study other planets.

C. ____ is it from Earth now? Twelve billion miles.

D. ____ is it expected to last? Ten years at the most.

According to the text, the correct sequence, from top to bottom, is