------ 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
There was nobody in the room. Lying on the desk ____ a pair of glasses as well as a letter addressed to his wife.
#85868
A
have
B
were
C
was
D
had
--- Have you got some water to drink?--- Here you are. There _______ still some in the bottle.
#44285
A
are
B
has
C
is
D
have
Above one third of the population in Beijing and Shanghai netizens, but in poorareas, only three or four percent online.
#85897
A
is, is
B
are, are
C
is, are
D
are, is