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
Teenagers allowed to drive in the street .
#44899
A
should not be
B
should be not
C
not should be
D
shouldn’t
----Doctors, it seems that you like to work with animals.----Yes, I think animals should ______ as our friends.
#44723
A
regard
B
be regarded
C
be regarding
D
are regarded
These young trees must .
#44857
A
look after well
B
be well looked after
C
take good care of
D
be taken good care
Everyone of us _____ it’s important _____a seat belt in the car.
#44762
A
knows, wears
B
know, to wear
C
knows, to wear
D
know, wearing
The 2010 World Expo ________ in Shanghai successfully. It was an honor of all of the Asians.
#45010
A
is held
B
was held
C
has been held
D
would be held