单项选择题

—Are you done with the book I gave you —Not quite. I've read all - the last unit.（）

A．until
B．since
C．just
D．but

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单项选择题

Our project must proceed at a reasonably quick tempo. Surely one month is ample time, （）

A．isn't it
B．is it
C．it isn't
D．it is

单项选择题

汉译英：“宰前兽医检验；途径口岸”，正确的翻译为：（）。

A．ante-mortem veterinary inspection; port of call
B．animal and plant quarantine; part of ealle
C．ante-mortem veterinary inspection; place of issue
D．animal and plant quarantine; place of issue