句型转换。 1. The bus is crowded, ? (完成反意疑问句
题型：句型转换
问题：
句型转换。
1. The bus is crowded, ? (完成反意疑问句）
2. Have they been ready?（作肯定回答）
.
3. They were so tired that they couldn't walk anylonger.（改为同义句）
They were _ tired _ walk anylonger.
4. They spent five years building the building.（改为同义句）
It them five years to the building.
5. He left after the bus came to the stop.（改为同义句）
He _ leave the bus came to the stop.