Paper produced every year isthe world’s
题型：选择题
问题：
Paper produced every year is the world’s production of vehicles.
A．the three times
B．three times the weight of
C．as three times heavy as
D．three times as heavier as
Paper produced every year is the world’s production of vehicles.
A．the three times
B．three times the weight of
C．as three times heavy as
D．three times as heavier as