Theypreferto_______therestofthemorningwalkinginthegarden.
D
本句运用的是 prefer to do sth 这种用法。
Thetwogirlscompetedwitheachother______thehighestmark.
Thenewdiscovery_______beofgreatservicetomankind.
Heblamedhispoorperformance_____jetlag.
Themeeting_____nextweekwillbeofgreatimportance.
_______foryourlaziness，youcouldhavefinishedtheassignmentbynow.