As far as I know, this maths problem is _______________ that one.
#14428
A
twice so difficult as
B
twice as difficult as
C
as twice difficult as
D
so twice difficult as
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You look well.The air and the sea foods in Sanya must ________you.I suppose.
#13151
A
agree with
B
agree to
C
agree on
D
agree about
Most foreigners feel uncomfortable when ____ in the street. 
#12758
A
stared at
B
dressed up
C
put away
D
watched out
There has been ____ accidents on this part of road. 
#14351
A
a number of
B
a great deal of
C
a series of
D
plenty of