23、I think we paid too much for the house, ______ that we needed to get the roof repaired.

A. considered        B. considering               C. if considered             D. to consider

22、― I’m bored. I have almost wasted the whole afternoon on it.  

― _______

A. Don’t mention it.  

B. I would leave that question alone if I were you.  

C. You always have no patience.  

D. Leave me alone. I’m bored too.

21、The teacher insisted _______ until we finished the work.  

A. we not rest             B. on our resting

C. we rested               D. we would not rest

20、I’m considering _______ a washing machine, which is considered _______ a great help to my wife.  

A. buying; to be              B. buying; being

C. to buy; being              D. to buy; to be

19、In _______ summer of 1963 Martin Luther King, Jr gave a speech to thousands of _____ black people.

  A. a; the           B the; /                  C /; the                   D /; a

18、The President is now on a visit to Russia ,____at expanding relations between the two countries.

A. aims                        B. to aiming                     C. being aimed                     D. aimed

17、________ both sides accept the agreement will a lasting peace be established in this region.  

A. Unless               B. As long as          C.  If only                   D. Only if

16、 Victor apologized for ____ to inform me of the change in the plan .  

A. his being not able    B. him not to be able  

C. his not being able    D. him to be not able

15、The government tried to keep commodity prices _____ .  

A. moveless    B. stable         C. stationary      D. unchangeable

14、______ the programme, they have to stay there for another two weeks.  

A. Not completing                              B. Not completed

C. Not having completed                     D. Having not completed