Sometimes a bus ____ gets on the bus to check the tickets.
A、agentC
【句意】有時，公共汽車檢票員上車查票。
【難點】busconductor意為“公共汽車售票員”;agent意為“代理人，中介人”;officer意為“軍官，官員”;inspector意為“檢查員，視察員”。
HowI_____Icouldliveonthemoon.
Perhaps the customer has ____ his monthly statement and not paid the bill.
I believe that remark ____ from what you said yesterday.
It’snecessary______ustokeepourpetscleaneveryday.
You ’d better sing. It doesn’t ______ whether you can sing well or not.
