— Why does the lake smell terrible?— Because large quantities of water ____.
#85686
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
— What time is it ? — Sorry, I don’t know. I _______ a watch.
#43586
A
have
B
don’t have
C
has
D
doesn’t have
The number of students in our school ________about 30,000 and ________them study hard.
#85987
A
is; a large amount of
B
are; large amount of
C
are; a number of
D
is；a large number of
I think ______ of the materials I listened to at the beginning of the exam ______ easy.
#44317
A
three fourths, is
B
third four, are
C
three fourths, are
D
three fourth, are
It is you rather than he that ______ for this terrible accident.
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A
is blamed
B
is to blame
C
are to blame
D
should blame