补全对话(有两项多余)。
A: Look at that strange thing. Wei Hua! What’s that?
B: It’s a key. 1.
A: Auto-bike? What’s it then? 2.
B: It’s a battery-operated machine and it was invented by my father!
A: 3.
B: It’s used for riding or flying.
A: Flying? 4.
B: You can just ride it like an auto-bike and it will fly as it goes fast enough.
A: 5. I think your father is so great!
B: I think so. He has invented many things.
A. What’s it used for?
B. That sounds interesting.
C. It’s very useful.
D. How can it fly?
E. Who invented it?
F. How was it invented?
G. It’s used for opening and locking our auto-bike.
A hot ice-cream scoop is used for _____ really cold ice-cream.
A. serving B. serve C. serves D. served
-____ was the zipper invented ____? -Whitcomb Judson.
A. When; / B. Who; / C. Who; by D. What; for
The new bridge over the Lingjiang River _____ last year.
A. built B. is built C. has built D. was built
–Your dress is so nice. –Thanks. It ______ by my uncle as a birthday present.
A. gave B. was given C. has given D. will give
This kind of pot is ______ keeping tea hot.
A. used in B. used for
C. used as D. used by