Domande

esercizio 8 - capitolo unit 5 - global issues

she can't have been one of the speakers.
they must have reached an agreement.
the fundraiser for migrant children can't be today.
there must be great solidarity in this community.
cutting-edge filters could be a solution. / cutting-edge filters may be a solution. / cutting-edge filters might be a solution.
we can't have left the door open.