Jennycomplainedthatthehospital________hertoomuchforthetreatment.
D
A 花费 B 付款 C 费用 D 收费
Theprofessoraskedaquestion,andDavid________agoodanswer.
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
Thenewdiscovery_______beofgreatservicetomankind.