I prefer this diagram ________ that one.
C
暂无解析
Iknowitisn’timportantbutIcan’thelp________aboutit.
Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.