--Excuse me, my sweeping robot doesn't work.-Let me have a look, Madam. A.It's out of date. B.It needs repairing. C.It's sold out D.It's in danger. 题目和参考答案——青夏教育精英家教网—

题目内容

-—Excuse me, my sweeping robot doesn't work.

—Let me have a look, Madam. ______

A.It's out of date. B.It needs repairing. C.It's sold out D.It's in danger.

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No one is quite sure when people first worked with dogs, but one thing is certain---dogs and people have been working side by side for thousands of years. Dogs can do a lot of jobs, and their coolest job is: police dog!

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5.How do you like police dogs? Why?

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