Theypreferto_______therestofthemorningwalkinginthegarden.
D
本句运用的是 prefer to do sth 这种用法。
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
Thenewdiscovery_______beofgreatservicetomankind.
Theypreferto_______therestofthemorningwalkinginthegarden.