Fragen im Future 2 - Englisch

Setze das Future 2 und das Subjekt in die Lücken ein.

the - students - finish - their - exams - by - June
their exams by June.

he - meet - us - by - 10 o´clock
us by 10 o´clock?

mum - book - a - holiday - by - then
a holiday by then?