为油田负责一辈子，干工作要经得起（）检查。
A.干部员工
B.后辈
C.子孙万代
D.子孙后代
参考答案：C
To be honest, I would rather my dog out, which made so many troubles.
A．not had let
B．I had not le
C．not let
D．not have let
消化系统的构造：消化道、（）。
