A beam of light will not bend round corners unless ________ (make) to do so with the help of a reflecting device
made
暂无解析
Thistest________anumberofmultiplechoicequestions.
Iknowitisn’timportantbutIcan’thelp________aboutit.
You________gonow.It’sgettinglate.
Hotmetal________asitgrowscooler.
Thosewho’dliketovisittheexhibition________(sign)yournameshere.