补全对话

A. We are going to see a film. B. Have a good time! C. When is her birthday? D. This is Chen Jie. E. What is Amy doing?

Mike: Hello.
Chen: Hello.____What are you doing?
Mike: I'm making a birthday card for my Grandma.
Chen:____
Mike: It's June 3rd. It's coming.
Chen: Happy birthday to her. ____
Mike: She is listening to music.
Chen: What are you going to do tomorrow?
Mike:____What about you?
Chen: I'm going to take a trip.
Mike:____
Chen: You too. I have to do my homework now. Bye.
Mike: OK. Bye.

It's two o'clock in the afternoon. We ____(have) an English class.

如图，在四棱锥P﹣ABCD中，平面PAD⊥平面ABCD，AB∥DC，△PAD是等边三角形，已知AD=4， $BD=4\sqrt{3}$ ，AB=2CD=8．

工程队两天共铺设光缆 $\frac{8}{9}$ 千米．如果第一天铺了 $\frac{5}{9}$ 千米，第二天铺了____千米？

下面句子中划线词语使用正确的—项是 （      ）