-Is this kind of digital camera made of steel?-Yes, and it's widely used ______ taking photos.
The baby elephant is from Africa.She________.
—Can’t you see a lion in the cage?—________.
Tom is very________.He never cleans his room.
There are pandas,tigers and many________animals in the zoo.
—Jack is a(n)________young man.—That’s true.He always feels nervous when he speaks before people.