Atlanta, as well as many other big cities, once again becoming one of the commercial and cultural centers of the USA right now.
#86027
A
is
B
are
C
has been
D
have been
推荐题目
I took mathematics and physics because I think that ________ very important for me to make further research in this field.
#86325
A
what is
B
they are
C
this
D
which are
Either you or one of your students ________ to attend the meeting that is due tomorrow.
#85908
A
were
B
is
C
are
D
be
Large quantities of polluted water_____ into the sea so that lots of fish died.
#86296
A
is flowing
B
was flowing
C
are flowing
D
were flowing
---Is there a library in your school? --- ______.
#43895
A
Yes, it is.
B
No, it isn’t.
C
Yes, there is.
D
No, there aren’t.
I wonder whether the teacher is one of those who _______ to the mountain village to help the children there.
#85644
A
have sent
B
has sent
C
has been sent
D
have been sent