“Bump” means “Hit someone or something _________ accident”.
It's important______the piano well.
一_______ the sports meeting might be put off(推迟).一Yes, it all depends on the weather.
一Have you mended your bike,Bob?一Yes,I______it twenty minutes ago.
With the help of the Internet,news can_______every corner of the world.
一Do you. know_______lady in red?一Yes. She is a teacher of a university.