Bikes ______ in the 1880s and they ______ traveling around.
#45063
A
were invented; were used as
B
were invented; are used for
C
was invented; was used for
D
invented; are used to
推荐题目
Put away your school things.Your stationery must       carefully.
#44775
A
be taken good care
B
be taken good care of
C
take good care
D
take good care of
English __________ by many people in the world.
#44455
A
use
B
uses
C
is used
D
used
 This kink of milk________ well . It________ out soon.
#44808
A
is sold, sells
B
sells; is sold
C
is sold, will be sold
D
sells, will be sold