填空题

Why did manufacturers use the steamboats？
Because their trade depended on （）transportation.

【参考答案】

cheap and easy

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填空题

The ship along with all the goods (be) （） destroyed last week.

单项选择题

A．A trading company and a trust company.
B．A trading company.
C．A trust company.
D．A visiting delegation.

Why did manufacturers use the steamboats？ Because their trade depended on （）transportation. 您的浏览器不支持 audio 元素。