.__________ about wild plants that they decided to make a trip to Madagascar for further research.
They rented the old house on the __________ that the landlord would paint it.
The notice came around two in the afternoon __________ the meeting would be postponed.
Evidence has been found through years of study __________ children's early sleeping problems are likely to continue when they grow up.
(2009·重庆) We should consider the students' request __________ the school library provide more books on popular science.
(2009·湖北) His efforts to raise money for his program were __________ because no one showed any intention to take a cent out of their pockets.