— I wonder ________ you’ll water this kind of flower.

——Every other day.

A．how often

B．how long

C．how soon

D．how much

如果发包方与承包方在合同中对竣工结算过程中的约定期限没有明确约定时，可认为其均为()。

A.7天

B.14天

C.28天

D.30天