Nosoonerhadwereachedhome________aviolentstormbrokeout.
D
no sooner … than “一 …就 … ”
Theypreferto_______therestofthemorningwalkinginthegarden.
Thenewdiscovery_______beofgreatservicetomankind.
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.