------ 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
Mother, together with her children , ______ to the hospital.
#85798
A
were sent
B
are sent
C
was sent
D
have been sent
To reduce food waste, we should only order as ___________ as we need and try to eat it up.
#43447
A
much
B
more
C
most
D
few
Has ____ how many spies we caught during the war ____ up to now?
#86293
A
it been declared; have been set free
B
it declared; have been set free
C
they declared; has been set free
D
they declared; have set free