单选题 Dear Ms. Marshall,
We are happy to inform you that your application for a business license ______ approved. The business license will be mailed to you within a few weeks. A temporary certificate is issued in the meantime. Please note that licenses need to be renewed annually, along with a renewal fee.
In addition, you are required to contact the City Tax Department to find out how much your quarterly tax will he. If you do not contact the City Tax department ______ 30 days of receiving your license, the licences will be automatically canceled. Please ______ the license in a place where it is clearly viewable to the customers entering your store.
Thank you for your interest in doing business in the city of Trinity.
Sincerely,
Grace Lewis
Director of licensing

【正确答案】 B

【答案解析】[解析] 语法：时态
1．that从句的主语是your application(您的申请)，动词则应使用被动语态形式。A、C选项不是被动语态，因此排除。
2．文章中提到，营业执照得到了批准并已经邮寄出去，从而应使用现在完成时的被动语态，因此B为正确选项。

【正确答案】 C

【答案解析】[解析] 词汇：介词
1．这是一道词汇题，选项均为介词。
2．原文意思是“30日内联系市税务局”，within表示时间范围，因此C为正确选项。正确答案：C

【正确答案】 C

【答案解析】[解析] 词汇：动词
1．这是一道词汇题，选项均为动词。
2．原文意思是“营业执照应展示在显著位置”，因此C为正确选项。