61. They’re going to build a big office block on that __ piece of land.
A) void B) vacant C)blank D)shallow

62. Without any hesitation, she took off her shoes, __up her skirt and splashed across the stream.
A) tucked B) revolved C)twisted D)curled

63.Very few people could understand his lecture because the subject was very __.
A) faint B) obscure C)gloomy D)indefinite

64. Professor Smith explained the movement of light__ that of water.
A) by analogy with B) by virtue of C)in line with D)in terms of

65. Tom is bankrupt now. He is desperate because all his efforts __ failure.
A) tumbled to B) hinged upon C)inflicted on D)culminated in