You are not supposed to get off the bus ________ it stops.
#44186
A
though
B
while
C
until
D
because
推荐题目
We noticed that each animal and each tree in the park _____ being taken good care of.
#85985
A
are
B
is
C
were
D
was
Our school has about 100 computers, but only sixty percent ____ used regularly.
#85661
A
is
B
are
C
was
D
were
--Will there a football match on CCTV 5 this evening?--Yes. There usually football matches on Sunday evenings.
#43952
A
have; have
B
be; will be
C
are; are
D
be; are
While building a tunnel through the mountain, _______.
#86096
A
an underground lake was discovered
B
there was an underground lake discovered
C
a lake was discovered underground
D
the workers discovered an underground lake