The opening ceremony is a great occasion. It is essential_____ for that.
A、forustobepreparedA
暂无解析
Hewasluredintoacrimehewouldnot____________havecommitted.
_____yourtimelyadvice,Iwouldneverhaveknownhowtogoaboutthework.
Hesetupinbusiness（）hisownandwasverysuccessful.
Henoticedthehelicopterhoveringoverthefield.Thentohisastonishment,hesawaropeladder_____outandthreemenclimbingdownit.
Although____Spanish，heattendedthecourse.
