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
ComradeLi________beinBeijingbecauseIsawhimintownonlyafewminutesago.
Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
Herefusedtotelluswhetherhe________(undertake)thejob.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
________(fail)severaltimes,theyneedsomeencouragement.
