They _____ to work. They’ll work at home instead.
A.will go   B.won’t go   C.didn’t go

Do you like playing _____ football or playing _____ violin?
A.the,the   B.the,/   C./,the 

I think kids will study at home on computers _____ ten years.
A.at   B.for   C..in

He’s going to _____ an engineer when he _____ up.
A.do;grow   B.do;grows   C. be;grows

--Do you enjoy _____ to classical music?  --Yes, I do.
A.listening   B.listen   C.listens