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 tothe building.
5. He left after the bus came to the stop.(改为同义句)
He _leave the bus came to the stop.