No sooner had we reached home ________ a violent storm broke out.
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nosooner…than“一…就…”
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.