单项选择题

There is an arrow on the wall______the direction of advance.

A．pointing
B．identifying
C．marking
D．indicating

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热门试题

填空题

What kind of role television plays in our lifeTelevision is now playing a ______ role in our life.

填空题

What can we see through televisionThrough television, we can see ______, ______. and ______.