Analyse the sentences below. Which TWO sentences express the same idea? (1)Those...

Questão de Inglês da banca EN aplicada no concurso ESCOLA NAVAL (2009). Confira a resolução completa abaixo:

Analyse the sentences below. Which TWO sentences express the same idea?

(1)Those poor children must have new shoes.
(2)Those poor children have had new shoes.
(3)New shoes must be provided for those poor children.
(4)New shoes must have been given for those poor children. The correct answer is