填入一个适当的词补全对话，每空一词。
A: Hi, Mary. We’re going to have our graduation (毕业) party. ____1____ you decided what to do yet?
B: No, but we need to record the happiest time.
A: I agree. I’ll bring my camera here.
B: Do you think writing some words to each other is a wonderful idea?
A: Yes, I think ____2____.
B: Why ____3____ invite our teachers to the party?
A: Good idea. I can’t wait.
B: Let’s get ready for it together.
A: When and ____4____ shall we meet?
B: Let’s meet in our classroom at 9:00 a.m. tomorrow.
A: All ____5____. See you!
All of us are looking forward to （win）the volleyball match in Hong Kong．
It is （难以置信的）that AI has progressed in such a rapid way in the past few years．
You should get your parents' （agree）before you leave for London．
Nowadays， the education of （安全）has caught the attention of the whole society．
It is reported that h of houses fell down and many people died in the earthquake．