------ Why does the lake smell terrible? ------ Because large quantities of water _________.
#85918
A
have been polluted
B
has polluted
C
have polluted
D
has been polluted
推荐题目
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
#86229
A
where
B
which
C
while
D
why
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
When the injured ______to the hospital,they came to ______.
#86295
A
was rushed;life
B
were rushed;life
C
rushed;lives
D
were rushed;lives