选择恰当的选项补全对话(其中有两项为多余选项)
A: Look at that strange thing, Wei Hua! What’s that?
B: It’s a key. 【小题1】
A : Auto-bike ? What’s it then? 【小题2】
B : It’s a battery-operated machine and it was invented by my father!
A : 【小题3】
B : It’s used for riding or flying.
A : Flying? 【小题4】
B : You can just ride it like an auto-bike and it will fly as it goes faster enough.
A : 【小题5】 I think your father is so great!
B : I think so. He has invented many things.

A．Who invented it?

B．It’s used for opening and locking our auto-bike.

C．May I have a look?

D．How can it fly?

E．What’s it used for?

F．How was it invented?

G．That sounds interesting.