- The ____ populated area was a breeding place forinfectious diseases.
- Due to the bad weather the plane was ____ for two hours.
- We can ____ the two islands with a bridge.
- The present situation forced us to ____ this policy.
- It is necessary that the students ____ more excercises to do.
- Great as Newton was, many of his ideas ____ today and are being modified by the work of scientists of our time.
- As ____ clear from his manners, he is a teacher.
- ____ before we depart the day after tomorrow, we should have a wonderful dinner party.
- He concluded his speech with a remark that failure ____the mother of success.
- Every means ____ tried out but never with success, as far as my knowledge goes.
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