Large quantities of water ______and lots of fish died.
#86256
A
has been polluted
B
were polluted
C
is polluted
D
was polluted
推荐题目
----Are you my new classmate? ----Yes, ________
#43703
A
you are
B
we are
C
I am
D
I’m
—Lu does work hard. —Yeah. _____ of his time ______been spent on studies every day. 
#43520
A
Four-fifths; has
B
Four-fifths; have
C
Four-five; has
D
Fourths-five; have
His family ________ music lovers.
#86119
A
allare
B
areall
C
is
D
arebeing
Tom and Tony        good friends.
#43749
A
am
B
is
C
are
D
 Every student and every teacher ______.
#85729
A
are going to attend the meeting
B
has attended the meeting
C
have attended the meeting
D
is attended the meeting