Simon has spent _____ on his study , but the result of his study isn’t ______.

When I first met Doris I didn’t like her, but I ______ my mind

It is commonly assumed that the growth of GDP and the development of people’s living conditions are not ______ cause and effect [ ]

It’s reported that most of the lakes and damaged dams were safe but the risks of heavy rain and aftershocks ________.

下列各句中，没有语病的一句是 （ ）