Though he graduated from a famous university, he was ______ failure as _____ teacher.
You can't predict everything.Often things don't as you expect.
All those second-hand goods are sold atbefore.
Because her mother was ill, she had no _____ to go to the New Year Party.
I can’t help you ____ much for your help.
—Do you like some more chocolate? —, Bob, but I don’t want to gain weight.