30.Little__ that we were watching his every move, so he seemed to be going his own way in this business.
Hi, Bob. How are you doing? It has been a long time _____ we left our junior middle school.
I really appreciate_____ to help me, but I am sure that I can manage by myself.
Life in the city is quite different from _____ in the countyside.
---- How about your last weekend?---- It was boring. I______ anything.
This book is said to be a special one, which______ many events that cannot be found in other history books.