填空题

What can you do if you are not sure about the postage
Ask（）.

【参考答案】

the clerk

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单项选择题

A.8 hours.
B.9 ～ 10 hours.
C.10 ～ 11 hours.
D.12 hours.

填空题

When are post offices usually open Five days a week and（）.

What can you do if you are not sure about the postage Ask（）. 您的浏览器不支持 audio 元素。