－Why are there a lot of dead fish in the river?－Because they were ______ by the polluted water.
#61886
A
caught
B
poisoned
C
burned
D
protected
推荐题目
We have ________ vegetables, so we have to go and buy some this afternoon.
#60690
A
run away
B
got out of
C
got over
D
run out of
Every Earth Day , We are made _____ signs to warn people to protect the nature .
#52790
A
design
B
designed
C
to design
D
designing
--- Where ___my trousers ? --- ___ on the bed .
#55935
A
are , It’s
B
is , It’s
C
are , They’re
D
is , They’re
The children ______ a P.E. class on the playground when it began to rain suddenly.
#53836
A
have
B
are having
C
had
D
were having