2道英語改寫句子~!幫下忙了!

題目：

2道英語改寫句子~!幫下忙了!
1.John managed to repair his car by himself (保持句意不變）
John_______ _______ repairing the car by himself
2.She was studying in school when he started his own clothing company (劃線提問）
________ _________ she doing when he started his own clothing company
PS:劃線句子是： was studying 在句子上劃線 划不來 - - .

解答：

1.succeeded in
2.what was