After introducing the new technique, the automobile factory produced ________________ cars in 2010 as the year before.
#11302
A
twice as
B
twice as much
C
twice more
D
twice as many
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Some students think it is ___ to spend some time surfing the Internet, but we shouldn’t be too dependent on it.
#13817
A
worth
B
worthwhile
C
worthy
D
worthy of