I have done well in the exam because of no careless mistakes.—Congratulations! Students can never be _______ careful in exams.

My mother nice food for us every day and she is a good .

________ I came, the city wasn’t so beautiful.

The last bus _________ two minutes before I arrived at the bus stop. What a pity!

I really can’t put up with what he said yesterday.—______. He was just joking.