Theypreferto_______therestofthemorningwalkinginthegarden.
D
本句运用的是 prefer to do sth 这种用法。
IsitShakespeareTheatre_______youaregoingtowatchtheplayTheMerchantofVenice?
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
Thenewdiscovery_______beofgreatservicetomankind.