按要求改写句子 英语 快.1、They will finish the bridge next year.(用by th

按要求改写句子 英语 快.
1、They will finish the bridge next year.(用by the end of next year 改写）
The ______ _______ _______ the bridge by the end of next year
2、They will hold the Olypic Games next year (改为被动语态）
The Olympic Games_______ _______ _______ next year
3、The race has been held before in this city (用they 作主语改为被动语态）
They ___________ never _______the race before in this city