It goes in the following order: 3, 2, 1, 4.= La pizza tienes que comer OR its Tienes que comer la pizza
<span>Which syllable is always stressed in Spanish infinitives?
C. The last</span>
Las ciencias fisicas
Explanation: from SpanishDict
"El misterioso astronauta."
or it could be
"El molestoso astronauta"