----It shouldn’t take long to clear up after the party if we all volunteer to help．
-----That’s right．______________．

It is careless _______ such a mistake.

I would rather ________the football match last night with my friends. Otherwise，I would have finished my paperwork by now.

Find ways to praise your children often，____you’ll find they will open their hearts to you．  

I would appreciate ________ much if you could write to me as soon as possible.

Word came ______ our duties would be changed.

______ on time,  or you’ll be fired.

      good manners to say “Sorry” when you knock into someone but    no need to say it again and again .

It is ten years ____he graduated from the university.

I don’t doubt _____ for the journey by doing jobs on the ship.