In what phrase below we don’t use the preposition “on”?

Questões de assuntos semelhantes

• The preposition was adequately used in the sentence “My nephew was born on April”.
• In lines 02, 03, 20 and 27 the correct sequence of particles to fill in the blanks is:
• Read the sentence below and then choose the alternative that fills in correctly the blank. “____ October 8th , interested skywatchers ...
• Choose the alternative that best completes the sentence bellow: “The noise was loud, so I put my hands ______ my ears”
• Complete the sentence and choose the correct alternative. Mary is away. She’s been away _____ Wednesday.