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
Don’t you know sweaters can’t ________ that way?
#103795
A
being washed
B
be being washed
C
wash
D
be washed
--- What did you think of yesterday’s film ? --- Well , I ________ when the film was only half way through.
#103382
A
was leaving
B
left
C
have left
D
was left
I ____ to go for a walk, but someone called and I couldn’t get away.
#104696
A
was planning
B
planned
C
had planned
D
would plan
—Alice, you have won the first place! —Pardon? I ______ I would fail the exam this time.
#99226
A
think
B
thought
C
have thought
D
am thinking
Prices____ all the time and no one knows when they stable.
#101890
A
are going up; become
B
have been going up; will become
C
have gone up; will become
D
have been gone up; become