I don’t know who invented __________ telescope, but I think it is __________ most useful invention.
--- ________?--- Sorry. I don’t know.
English differs from Spanish in ______ it is not pronounced as it is written.
. Who do you think will ______ the company if the manager retired?
You shouldn’t have the machines ______ all the while. You ought to have them ______ now and then.
--- Did you go to the show last night?--- Yeah. Every boy and every girl in the area ______ invited.