If the operation ________ carefully prepared, it would not have been successful.
A、wasnotC
语法题：虚拟语气。
Hewouldhavegivenyoumorehelp,ifhe________sobusy.
IsitShakespeareTheatre_______youaregoingtowatchtheplayTheMerchantofVenice?
Heblamedhispoorperformance_____jetlag.
Nosoonerhadwereachedhome________aviolentstormbrokeout.
Ittookmeamonthtogetrid_______thecough.
