-Why does the Lake smell terrible? -Because large quantities of water .
#104968
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
推荐题目
—What do you think Mr.Green is like?—Haven’t you seen through him?I have warned you again and again that men of this kind______
#103614
A
is in danger
B
are in danger
C
is dangerous
D
are dangerous
By the time the fire-engine arrived, the fire by the inhabitants.
#102035
A
put out
B
had been put out
C
was put out
D
had put out
There ___ two football matches on TV tonight.
#103934
A
are going to have
B
are going to be
C
is going to be
D
are going to has
Tom is the only one of the students who a scholarship since last year.
#102350
A
has won
B
have won
C
is winning
D
wins