单项选择题

A．Jack has been hard to return the book.
B．Jack has examined their machine.
C．Jack has to work quickly.
D．Jack is too busy to help them now.
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单项选择题
A．No, you don’t.B．That’s all right.C．Thank you, but I think I can manage it.D．It’s none of your business.
A．No, you don’t.
B．That’s all right.
C．Thank you, but I think I can manage it.
D．It’s none of your business.
单项选择题
We are sure that the business between us will be promoted in years to come.
A．我们相信，我们之间的生意在未来的几年将受到促进。
B．我们肯定，在我们之间的商业将会受到推动，在若干年里将来临。
C．我们深信，我们之间的商业将随着时间的推移而得到增进。
D．我们相信，我们之间的业务将在今后的几年得到发展。
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