Hardly had he finished his speech ________ the audience started cheering.
A、andB
暂无解析
Tosucceedinascientificresearchproject________.
Night________(fall),wehurriedhome.
Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
Abeamoflightwillnotbendroundcornersunless________(make)todosowiththehelpofareflectingdevice
Thistest________anumberofmultiplechoicequestions.