Hisarticleisbetterthan_____intheclass.
Iwasshockedbythenumberofpeoplewhoseemedtohavenothingbettertodowiththeirtimethan______toknowfishbetter.
Itseemsasifthesun_____roundtheearthsinceitrisesintheeastandsetsinthewest.
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.
200ml溶液中加入10%氯化钾溶液不能超过()
_______foryourlaziness,youcouldhavefinishedtheassignmentbynow.
Theprofessoraskedaquestion,andDavid________agoodanswer.
佝偻病激期最主要的表现是()
Theypreferto_______therestofthemorningwalkinginthegarden.
流行性乙型脑炎的传染源是