He spoke so quickly that I didn't _____ what he said.
【2015·湖北】The girl used to be shy, but is ____ getting active in group work and is more willing to express herself.
【2015·安徽】They gave money to the old people's home either ______ or through their companies.
【2015·安徽】I’m so ______ to all those volunteers because they helped my terrible day end happily.
The police officers decided to conduct a thorough and _______ review of the case.
【2015·福建】It was________of Michael to inform us of his delay in case we got worried.