单项选择题

A．down
B．on
C．off
D．up
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单项选择题
A．skyB．lightC．airD．gas
A．sky
B．light
C．air
D．gas
单项选择题
What will the man probably do next
A． Ask the woman for the recipe.
B． Get a receipt for his purchase.
C． Call the woman’s mother.
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