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
推荐题目
A survey of the opinions of experts ________ that three hours of outdoor exercise a week ________ good for one’s health.
#85979
A
show; are
B
shows; is
C
show; is
D
shows; are
In my pencil-box, _______ a pen, two pencils and three rulers.
#43960
A
there be
B
there are
C
there is
D
it has