—I’m terribly sorry to have put you through so much trouble.—____. I know you didn’t mean to.
I believe _____ you have made efforts and ______ you are sure to achieve your goal.
It is what you do rather than what you say _______ matters.
---I was wondering if we could go skiing on the weekend. ---________ good.
–What made you so sad? --____________ my cellphone.
Don’t get the plastic tube close to the fire; it ______ easily.