题目内容
13.听下面一段材料,回答第15至第17题.15.What would the dialogue happen?
A.In a street.
B.At school.
C.On a bus.
16.What's the first step of using computer?
A.Connect the mouse to the computer.
B.Connect the keyboard to the computer.
C.Connect the monitor to the computer.
17.How many people are there in this dialogue?
A.4
B.2
C.3.
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