80. is known to everybody, the moon travels round the earth once every month.
A. it B. as C. that D. what
79. The warmth of sweater will of course be determined by the sort of wool used.
A. the; the B. the; / C./; the D./; /
78. It is generally believed that teaching is it is a science.
A. an art much as B. much an art as C. as an art much as D. as much an art an
77. We didn’t plan our art exhibition like that bat it very well.
A. worked B. tried out C. went on D. carried on
76. As we joined the big crowd 1 got from my friends.
A. separated B. spared C. lost D. missed
75. The WTO cannot live up to its name it does not include a country that is home to one fifth of mankind.
A. as long as B. while C. if D. even though
74. Someone called me up in the middle of the night, but they hung up I could answer the phone.
A. as B. since C. until D. before
73. Let Harry play with your toys as well, Clare-you must learn to .
A. support B. care C. spare D. share
72. Mast animals have little connection with animals of different kind unless they kill
them for food.
A. the; a B./; a C. the; the D./; the
71. In order to get there on time, we couldn’t help early.
A. setting out B. but set out C. but to set out D. set out