At the foot of the mountain ________, which caught my eye.

Only then _________ to answer violence with violence .
A. we decided    B. we decide   C did we decide   D. do we decide

----Mary had a wonderful time at the party.
---- ________, and _________.

Only when you have obtained enough data ________ come to a sound conclusion.

Seldom______computer games ever since he entered college.

—Michael has changed beyond recognition.
—      ！How did he manage to lose so much weight？

---- I’m sorry I can’t go to the concert with you tonight, because I have a bad cold.
---- If you don’t go, __________.

Ms．Zero was preparing food．Under one of the apple trees in the garden ______, smoking and looking at the harvest with a smile．

   , I think, and the problem could be settled.

Unsatisfied ______with the payment ,he took the job just to get some work experience.