名著阅读《水浒传》。
⑴Where's your mum?
⑵Am I going to have a party?
⑶The balloon is flying away.
⑷The teacher can help me.
start:____ duck:____ soon:____
stay:____ mess:____
若x2=16,则x= ____若x3=﹣8,则x= ____9的平方根是 ____