重写句子：NotuntilhecrossedthelineandfeltthetapesnapagainsthischestdidJohnsonknowhehadwontherace.(loosesentence)
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：Hockeyisasportwhichispopularinmanycountriesaroundtheworld.(simplesentence)
Weareallconcerned_______hersafety.
Havingdecidedtorentaflat,we________contactinghousingagenciesinthecity.
Itmakesgood________tobringanumbrella;itseemstoberainingtoday.
重写句子：I have checked my documents several times. I still can’find t the problem.(compound sentence)
