You are not supposed to get off the bus ________ it stops.
#44186
A
though
B
while
C
until
D
because
推荐题目
While a huge amount of money ___been spent stopping pollution , large quantities of water_ _still heavily polluted．
#85937
A
have; is
B
has ;are
C
have; are
D
has ;has
Nowadays, either 21st Century or other English newspapers _____ increasingly popular among us students.
#85582
A
are
B
is
C
were
D
was
Ten dollars_______a big sum for a small child,and they will go a long way.
#86016
A
are
B
being
C
have
D
is
—_________students took part in planting trees on March .12 this year.— Yes. It is said that ________ the students is 300.
#43879
A
The number of ; a number of
B
A number of; the number of
C
The number of; the number of
D
A number of; a number of
Either you or one of your students ________ to attend the meeting that is due tomorrow.
#85908
A
were
B
is
C
are
D
be