1 . 恐龙也生蛋，在地球上生存了一亿四千多万年。
Dinosaurs_____ ______too and existed on the earth for more than 140 million years.

3 . 它们一般是通过孵蛋而繁衍后代的。
They produce young generally by ___ ___ .

4 . The cuckoo _________________ (lay) its eggs in other birds’ nests the other day.

5 . Reptiles produced young by (产卵；下蛋) eggs.

6 . My hen has ________(lay) twenty eggs this month. （所给词的适当形式填空）

7 . 有些奇怪的动物会生蛋，但又给它的幼崽喂奶。(lay eggs)

8 . Joey, be an organized person and put the chairs where they       after using them.

A．exist

B．lay

C．belong

D．stand

9 .

1. Snakes produce young generally by lying eggs.
2. With your help, now I know very more about gravity.
3. Young man, would you mind step inside a moment, please?
4. Please stare me and tell me where you are from.
5. No one can prevent me work for my dream.