Direction for below question:
The following question has a sentence with two blanks. Given below each question are five pairs of words. Choose the pair that best completes the sentence.
As navigators, calendar makers and other _____ of the night sky accumulated evidence to the contrary, ancient, astronomers were forced to ____ that certain bodies might move in circles about points, which in turn moved in circles about the earth.
- scrutinizers; believe
- observers; agree
- scrutinizers; suggest
- observers; concede
- students; conclude