76. The number of registered participants in this year’s marathon was half_____ .
A) of last year’s
B) those of last year’s
C) of those of last year
D) that of last year’s

77. For there ____ successful communication, there must be attentiveness and involvement in the discussion itself by all present.
A) is
B) to be
C) will be
D) being

78. There was a very interesting remark in a book by an Englishman that I read recently _____ what he thought was a reason for this American characteristic.
A) giving
B) gave
C) to give
D) given

79. No one would have time to read or listen to an account of everything____ going on in the world.
A) it is
B) as is
C) there is
D) what is

80.Between 1897 and 1919, at least 29 motion picture in which artificial beings were portrayed ________.
A) had produced
B) have been produced
C) would have produced
D) had been produced

C76.D77.B78.A79.C80.D