We welcome rain, but a（an）_______ large amount of rainfall will cause floods.

A．eventually

B．extremely

C．gradually

D．constantly

在括号中填写恰当的词语。  

瞪着（    ）    鼓着（    ）  挺着（    ）    　　说得（    ）  

跑得（    ）    累得（    ）  高兴地（     ）    羡慕地（    ）