In the future, senior citizens will be able to go anywhere using high-tech camer

题干

In the future, senior citizens will be able to go anywhere using high-tech cameras _______ to their head.

A．attaching

B．attached

C．to attach

D．attaches

上一题下一题 0.4难度单项选择更新时间:2012-07-19 10:18:21

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