Завершить предложения с правильной формы глаголов в скобках. ) about the problem? 2).quite a ) about how bees navigate back to the hive. 3).the ) to be crazy at first. ) by bees?

1. Have any farmers interviewed about the problem?
2.Quite a lot know about how bees navigate back to the hive.
3.The theory believes to be crazy at first.
4.Are all crops pollinated by bees?