I’vegottheorderfromthebossthatthework_______finishedbefore5p.m.today.
B
that 引导同位语从句，说明 order 的内容。
Generallywecoverinsuranee__definite(明确的)instructionsfromourclients.()
翻译：Sineethepremiumvarieswiththescopeofinsuranee,extrapremiumisforbuyer'saeeount,shouldadditionalrisksbecovered.
Thenewlawsthreatentodeprivemanypeople_______themostelementaryfreedoms.
Somelinguiststhoughtthatalllanguages______andwereruledbyacommongrammar.
Itisdifficulttounderstandthiskindof_______calculation.