---Don’t press the button , John. ---What if I ______?
_____ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.
The library needs _____,but it’ll have to wait until Friday.
-- Catherine, I have cleaned the room for you.---Thanks. You _______ it. I could manage it myself.
It didn’t take the children long to________ the correct answer.
_____ herself to science, the great scientist took little notice _____ the honors given to her.