(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river ________ so seriously now.
#86520
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
推荐题目
Imagine what today’s life would be like if Alexander Bell _____ the telephone more than 130 years ago!
#87256
A
didn’t invent
B
wouldn’t invent
C
hadn’t invented
D
wouldn’t have invented
－Any information about your son?－No，if only I ______ those tough words to him.
#86717
A
didn’t say
B
hadn’t said
C
shouldn’t have said
D
couldn’t have said
Without your help，I the job on time last week．
#87375
A
would not have finished
B
would not finish
C
would finish
D
would have finish