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
Hardlyhadhefinishedhisspeech________theaudiencestartedcheering.
Wooddoesnotconductelectricity;________.
He________methathedecidedtoleaveonMonday.
Hot metal ________ as it grows cooler.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
