Considering the importance of inclusion in education, what modal verb should tea...

Questão de Inglês da banca IV UFG aplicada no concurso Prefeitura de Cidade Ocidental GO (2023). Confira a resolução completa abaixo:

Considering the importance of inclusion in education, what modal verb should teachers of English use to indicate the necessity of providing support for students with special needs to ensure their participation in classroom activities?