Lessons can be learned to face the future, ________ history cannot be changed.

st you Stay a longer It’s beensuch fun having you–__________ I’ve got an early starttomorrow morning

What a stubborn boy! He______be punished______say sorry to his teacher.

Are you the same weight as Tom —-No, I am not _____ Tom.

My friend Amy _______ text messages to me on the mobile phone, but now she _______ e-mails on QQ.