Sam: Look! There’s a
1． about dogs.
Ms Smart: Great! I like dogs. And they are very
2．.
Sam: What can they do?
Ms Smart: They can
3． the blind people. And they can help the
4． find people.
Sam: Oh, can we have a dog?
Ms Smart: No, we
5．. I’m sorry.
| A．show | B．firefighters | C．can’t | D．useful | E．help |
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