Egypt is famous for ____ pyramids. [ ]
A. it's
B. it
C. its
D. it is
答案：C
Little Bob eats food , so he is fat.
A．much too; too much
B．much too; too many
C．too much; much too
D．too much; too many
绝缘通常可分为（）、（）和（）三种。电气绝缘一般都采用（）。
