Such a fright _______ that he dropped his bag and ran away.

aven’t seen each other for _______,though we are in the same city

having a lot of trouble with the newcomputer,but she doesn’t know whom to______.

Everyone knows that ______ is dangerous to play with fire, but ______ is difficult is to prevent children from playing with fire.

See the flags on top of the building? That was _____we did this morning. [ ]