A farmer raised several chickens and ducks. The ducks and chickens lived happily together. But later chickens could (1) ____ more eggs, while the ducks couldn’t because of the polluted river. Gradually, the chickens’ population has grown (2) __ (到)more than ten times what it was before. As a result, the farmer made large (3) ________ of money. In (4) ________(另外), chickens got more love from the farmer, which made the ducks (5) _________ about their own status(地位). They opened the (6) ____(发言权) for discussion. Each (7) ______ its opinion.

lay

to

amounts

addition

floor

voiced

concerned