Thetheoryofblackholesinspace__(accept)bymanyseriousscientistsandastronomers.
is accepted
暂无解析
Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
Beinga________(high)motivatedlauguagelearner,hetakeseveryopportunitytoimprovehisEnglish
Heblamedhispoorperformance_____jetlag
Thisscientistwasawardedwithseveraltitlesforhis________(accomplish)inbiology
Itisnotabadmovie,butthereisnothing_(origin)aboutit.
