The water will be polluted unless some measures _____.
#103340
A
will be taken
B
are being taken
C
are taken
D
were taken
推荐题目
Many facts proved that long before Columbus ________ America, Chinese had visited it.
#103829
A
noticed
B
uncovered
C
discovered
D
arrived
—_______ for Beijing? —Yes, and I’ll come back in two months.
#101414
A
Have you left
B
Are you leaving
C
Do you leave
D
Did you leave
When I first met Doris I didn’t like her, but I ______ my mind.
#99777
A
have changed
B
change
C
had changed
D
would change
Being popular with customers , the products _____ well and ____ in two months .
#103642
A
sell ; sell out
B
are sold ; sell out
C
sell; will be sold out
D
are sold ; will be sold out