We are bound ______ with difficulties in carrying out this research.A．to meetB．t_刷题宝

题干

We are bound ______ with difficulties in carrying out this research.

A．to meet	B．to have met
C．meeting	D．having met

上一题下一题 0.64难度单项选择更新时间:2013-07-01 08:28:49

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