Twenty million years ago, Idoho was not the dry place as it is now. ______, it was warm and damp, covered with thick forests.

 Our neighbor has ______ ours. 

I have $50, but that isn’t ____ enough for my journey fare.

–You are Mr. Zhang, aren’t you? --______. 

Don’t defend him any more. It’s obvious that he ______ destroyed the fence of the garden even without apology.