_______ for a long time, most of the crops in this area died from lacking water.
A、BeingnorainD
Therebeingnorain为therebe句型的独立主格形式。
Generallywecoverinsuranee__definite(明确的)instructionsfromourclients.()
WenotefromyourletterofSeptember10ththatyouareinterested____walnutmeat.
They________extensiveandpossiblydangerousactualflighttraining.
Somelinguiststhoughtthatalllanguages______andwereruledbyacommongrammar.
Theywrotealetterofthanksto________hadhelpedthem.
