题目内容：

按要求完成下列句子，每空一词。

1.Mr.Wang often spends an hour taking a bus to his office.(改为同义句)

____ often _____ Mr.Wang an hour _____ _____  to his office by bus.

2.The bike cost Sally 2，000 yuan.(改为同义句)

Sally ____2，000 yuan ____the bike.