Criticism and self-criticism is necessary _____ it helps us to correct our mistakes

It’s wrong for a student to follow _____his teachers say. —- It’s true. I can’t agree _______.

Jenny ______ very well. — That’s her favorite sport.

sn’t always beautiful, ________ the struggles make you stronger and the changes make you wiser.

This Math problem isn’t easy for Jack to work out, is it —_______. He is far better at Math problems than we expected.