------ 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
The teacher, along with 5 of her students, ________talking with a foreign teacher in the English Corner at that time.
#85678
A
was
B
were
C
had been
D
would be
Millie’s eyes ________ dark brown and her hair ________ black.
#44228
A
is; is
B
are; are
C
are; is
D
is; are
The drug used to treat this disease causes bad side effects, some of which ________ deadly.
#85567
A
is
B
are
C
was
D
were
Three quarters of some children’s spare time wasted watching TV －that can explain why they are lazy.
#85788
A
are
B
is
C
being
D
/