If we ___________some measures, we might have prevented the environmental pollution.
#103274
A
take
B
had taken
C
took
D
have taken
推荐题目
--- I will come to your lecture at 10:00 am. tomorrow. --- I’m sorry. By then my lecture ______ and I ______ my guests in my office.
#103415
A
will end; am being met
B
have ended; will meet
C
will have ended; will be meeting
D
will have ended; will have met
By the end of the last month, I_________all the CDs Of Justin Bieber.
#102399
A
collect
B
collected
C
have collected
D
had collected
I’ve won a holiday for two to Florida. I ＿＿ my mum.
#104421
A
take
B
am taking
C
have taken
D
will have taken
The wide spread of super hybrid rice around the world ______ the lives of millions and millions of people suffering from hunger to a great level.
#102778
A
has improved
B
is improving
C
improved
D
has been improving
I can't understand why he ________ so selfish. He isn't usually like that.
#99480
A
was
B
had been
C
is
D
is being