重写句子：Not until he crossed the line and felt the tape snap against his chest did Johnson know he had won the race.(loose sentence)
Johnson did not know he had won the race until he crossed the line and felt the tape snap against his chest.
暂无解析
重写句子：When we are relieved of working pressures of the office, we can enjoy happiness and relaxation at home.(modifying phrase)
重写句子：Fossil fuels are non-renewable. We need to find alternative energy sources. (compound sentence)
Havingdecidedtorentaflat,we________contactinghousingagenciesinthecity.