4.      1). It was the ugliest thing ___________(我所见过的).
2).A fisherman claims to ________（见过）a flying creature which he later ___________（确认）a Ropen or “demon-flyer”.
3).It flew out of the jungle, _________（潜入）the sea right by my boat.
4). It is reported ___________（有）two leathery wings, a long tail, a long beak _________（充满）sharp teeth and claws.
句型转换
It is reported _____________ two leathery wings, along tail, a long beak ________ sharp teeth and claws.
5). Experts think it might be a kind of pterodactyl, _____ （使得）it the only surviving dinosaur.
6). It was like a kangaroo’s, _________（又长又粗）near the body.
7). The thylacine, also ________ （做为。。。而出名）the Tasmanian tiger, was a marsupial which once lived in Tasmania, part of Australia.
8). It may not _____________ （消失）completely.
9). ______________（当给他看）photographs of other primates, the man said it looked a bit like a gorilla but, …