单项选择题

Computers are the second most useful ______ of the world.

A．inventions
B．inventors
C．inwntion
D．inventor
<上一题 目录 下一题>
热门 试题

单项选择题
He has two kites, one is big, ______ is small.
A．the other
B．another
C．other
D．others
单项选择题
Kate says that she ______ a message on the desk.
A．will leave
B．leave
C．will give
D．give
相关试题