具有司呼吸作用的气是（）
A.元气
B.宗气
C.营气
D.卫气
E.经气
参考答案：B
Last Sunday my father made a promise ______ he was free he would take me to the park.[ ]
A. if
B. that if
C. whether
D. that
银行汇票如何办理挂失？
