I only intended to be there for a few days, but I         ended up staying for a whole month.

---- I was riding along the street and all of a sudden, a car cut in and knocked me down. ---- You can never be _______ careful in the street.

Don’t blame them any more---this is _____ because they are still young and lack experience.

The medicine won’t cure the disease -- it ________stops the pain.

 –Have you finished your experiment report, Jane?--Oh, my god! I’ve _______ forgotten all about that.