To order tickets for the 2016 Riode Janeiro Olympic Games, just call 00982012. I

题干

To order tickets for the 2016 Riode Janeiro Olympic Games, just call 00982012. It _______ be simpler.

A．must

B．could

C．mustn’t

D．couldn’t

上一题下一题 0.64难度单项选择更新时间:2013-02-28 01:43:58

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