Let ____ know how to make dumplings.[ ]
A. him
B. he
C. his
D. he's
答案：A
—One is never _____ old _____ learn. Do you think so?
—Yes. I agree.[ ]
A. very; to
B. so; so
C. too; to
D. so; that
以下行为中不能代理的是( )。
A．行使追偿权 B．签订买卖合同 C．工作 D．起诉
