单项选择题

The human body is composed of organs, each （） a definite job to do.

A．have
B．has
C．to have
D．having

<上一题 目录 下一题>
热门 试题

单项选择题
It has been proved that cockroaches (蝉螂) （） for several weeks even after their heads have been cut off.

A．are surviving
B．can survive
C．surviving
D．that survive
单项选择题
Would you please （） an example for the children.

A．make
B．do
C．take
D．set
相关试题