根據(jù)對(duì)話內(nèi)容,從方框內(nèi)選出能填入空白處的最佳選項(xiàng),其中有兩項(xiàng)為多余選項(xiàng)。
A: Look at that strange thing, Wei Hua! What’s that?
B: It’s a key. 1.? ?????????
A: Our autobike (電動(dòng)自行車)? 2.?
B: It was invented by my father. It’s a battery-operated(電池驅(qū)動(dòng)的)machine.
A: ? 3.?
B: It’s used for riding or flying.
A: Flying? __4.____
B: You can just ride it like a autobike and it will fly as it goes faster enough.
A: ___5.___ I think your father is so great!
B: I think so. He has invented many things.