初中英语英语词形变化

初中英语英语词形变化
1.My sister_______(call)me as soon as she knows something about the accident.
2.Great changes_______(take)place since I _________(leave)my hometown.
3.My parents have been busy_________(take)care of my cousin for two weeks.
4._____the results _________(announce)this coming Saturday?
5.The police are still trying to find out who_______(murder)the old man.
6.The key is one of the_____(direct)over there.
7.She felt much ________(weak)and she sang______(bad)than usual.
8.Houses in many cities are much ________(expensive)than before.