-Why does the Lake smell terrible?-Because large quantities of water__________.
#104945
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
I didn’t think I’d like the movie, but actually it _____ pretty good.
#100602
A
has been
B
was
C
had been
D
would be
Mr Smith _________ a book about China last year but I don’t know whether he has finished it.
#104720
A
has written
B
wrote
C
had written
D
was writing
But for the fact that the firefighters _____ at the spot in time, more people ______ their lives in the fire.
#103589
A
arrived; died
B
had arrived; would lose
C
arrived; would have lost
D
has arrived; could have lost
The palace caught fires three times in the last century,and little of the original building now.
#102970
A
remains
B
is remained
C
is remaining
D
has been remained
I ________ to help you with your homework, but I couldn’t spare any time. I ________ a composition last night and I’ll finish it today.
#103588
A
wanted; wrote
B
had wanted; was writing
C
have wanted; wrote
D
wanted; have been writing