--Why does the lake smell terrible? ---Because large quantities of water ______.
#85773
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
The best ways to go to this small town ____ by bus _____ by bicycle.
#86238
A
are; or
B
is; and
C
is; or
D
are; and
My friend’s sisters sometimes at weekends.
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A
enjoys go shopping
B
enjoy going shopping
C
enjoys to go shopping
D
enjoys going shopping
----- What does Canada export?---- A large quantity of wheat_____ sent away.
#86299
A
is
B
are
C
have
D
is being
I met the teacher in the street yesterday ________ taught me English three years ago.
#86230
A
which
B
when
C
where
D
who
Between the two lectures _____ a break, _______ the audience can buy ice cream.
#85555
A
is; when
B
are; when
C
are; which
D
is; which