It was only after he had read the papers Mr. Gross realized the task before him was extremely difficult to complete.
According to the recent research, heavy coffee drinking and heart attack is not necessarily __________ and effect.
The following day she didn’t go to the club. __________, she walked her dog in a park nearby.
In the botanical garden we can find a(n) __________ of plants that range from tall trees to small flowers.
Many animals and plants, which couldn’t __________ the sudden change of the climate, died out. Dinosaurs are one such example.
Letterboxes are much more __________ in the UK than in the US, where most people have a mailbox instead.