16. Mary answered all the questions _____ the last one, which she had never heard of before.
Eating too much fat can______ heart disease and cause high blood pressure.
. You have made a few spelling mistakes in your composition, but it is well written_______.
She ______his number in the phone book to make sure that she had got it right.
-- Nancy is not coming tonight. --- But she______!
. The bell______ the end o f the period rang and we had to stop our discussion.