61. The prosecution failed in establish in every case today.

A. to

B. on

C. as

D. upon

62. One of my drawbacks is that I do not have to tolerance of ambiguity.

A. do not have

B. cannot have

C. am not

D. did not have to

63. They should have calmly thought of the advantages that would accrue to them.

A. should have been calm in thinking about

B. should be calmly thought of

C. shall have to calmly thought of

D. No correction required

64. The easiest of the thing to do is to ask the address to the postman.

A. of the things to do

B. among the things did

C. of the thing to be done

D. of all the things done

65. We demonstrated to them how we were prepared the artistic patterns.

A. are prepared

B. have prepared

C. are preparing

D. had prepared