—______ was it that you managed to get yourself excused this time? A flat tire or the heavy traffic?

  — What are you talking about ? My bike really broke down.

   A. How             B. What             C. Why              D. Where

It ______ Mike and Mary who helped the old man several days ago.

  A. were      B. are      C. was     D. had been

It was at the shopping center ______ Mary and I had an appointment ______ I lost my necklace.

A. where；that             B. when；that      C. where；when                         D. that；where

It was not for the reason ______ she loved him _______ she married the young man.

   A. that; which      B. because; that      C. that; that      D. that; so

一When did you buy this still life picture?

     一It was in 1999    I traveled in Paris．

  A．since    B．that    C．when D．before

I really don’t know          I lost my purse.

       A. where it was that B. when was it that  C. it was where that D. that it was when

It is only when we cannot see clearly _____ we come to see ______ important our eyes are.

A. that; what             B. which; what              C. that; how                  D. which; how

--- Were all the passengers in the bus injured in the traffic accident?

--- No,____ only three of them who got hurt.

A. it were          B. there was         C. it was        D. there is

---Where did you meet him?

---It was in the hotel ______ he stayed ______ I met him.

A. where , that     B. that, where     C. where, where   D. that, that

— ______ was it _______ they discovered the entrance to the underground palace?

— Totally by chance.

A. What; that      B. How; that         C. What; when          D. How; as