Domande

esercizio 5 - capitolo 7 - grammar 2

it is said that science is serious stuff.
has andrew really been awarded a scholarship for his chemistry experiments by the school?
treatments for most diseases are thought to be will be found by researchers sooner or later.
he was shown a new laptop by the salesman.
the train strike is believed to begin tomorrow.
the results of our research must be sent to them.