题目内容

You can()for coins at the Service Center.

A. exchange
B. expect
C. extend
D. changeable

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The ticket vending machine () both coins and bills.

A. account
B. accepts
C. circuit

There are threeto buy a ticket.

A. way
B. ways
C. free
D. available

Excuse me, would you please do me a ?

A. fair
B. flour
C. float
D. favour

Ticket vending machines only new notes. Please use a new one.

A. study
B. acceptance
C. accept
D. final

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