Theprofessoraskedaquestion,andDavid________agoodanswer.
C
A 忍受、忍耐 B 保卫、支持 C 想出、提出 D 轻视、看不起
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
Hisintelligencewill________himtogetascholarshiptocollege.
Thenewdiscovery_______beofgreatservicetomankind.