For most Americans, their 18th birthday _______ the end of one part of their life and the beginning of another.
As I ______, I suddenly remembered that it was your birthday.
The history of nursing ___ the history of man.
– Do you enjoy listening to records? --- I think records are often ______ an actual performance.
– Does this bus go to the 84th street? --- No, 30th street is _______.
_______, you can stay the whole summer.