It was his wife___ left him without saying goodbye.                                    

Is ____three hours ____ the boy ___family is poor to come to school on foot?

It was ___ it was raining so hard that we had to stay at  home all day.

It was in the small house ___was built with stones by his father ___ he spent his childhood.                        
A. which; that      B, that ;where          C, which; which    D. that; which

I can’t find Mr. Smith .Where did you meet him  this morning?   
It was in the hotel ___ he stated.                        
A. that             B which                 C. the one         D. where

It was ___ he said ___ disappointed me.

It was ___she was about to go out ___the telephone rang.

---Who is making so much noise in the garden? --- ___ the children.

Were all three people in the car injured in the accident? No,___ only the two passengers who got hurt.                

Helen was much kinder to her youngest son than to the others， _____，of course，made the others envy him.