— So you have met Maria?
— Yes, it was last week ______ we attended Jack’s party.

It is in their ability to speak ______ humans ______ from animals. 

．---Where did you get to know her?
--- It was on the farm ______ we worked．

----- Where did you get to know her?
----  It was on the farm  _______ we worked．

It was only when I reread his poem recently _____ to appreciate its beauty.

—Where did you see him for the first time?
— It was in the factory _________ we worked.

________ you met the foreigner from Canada?
A. Where it was that                       B Who it was that
C. Where was it that                       D.  Where was that

Almost everyone has his own strengths and weaknesses. It is _______ others are weak that maybe you have a great advantage.

A．although

B．unless

C．because

D．where

It was the training _____ he had as a young man _____ made him such a good engineer.

—The room is in a mess again!
——Sorry. It is ______ who ______.