Itisessentialthateverythinginadvance.（）
A、shoulddecideB
暂无解析
TheUnitedStatesisacountry_(advance)inscienceandtechnology
Nosooner()hadIreachedhomethanMichaelarrivedwithJaneinhiscar
每个人都是平等的，不管他是总统还是马路清洁工。翻译
Mrs.Weinsteinbravelyandpersistentlyusedeveryskillandpowershehadtoherattackertosimplytakehercarandnotherlife.
Manyothernewtechniquesarenowavailablethatenablemoreresearch___(do)inthetesttubetoseeifchemicalsproduceharmfulbiologicaleffects.
