If  we ___________some measures, we might have prevented the environmental pollution.
#87466
A
take
B
had taken
C
took
D
have taken
推荐题目
—Did you pass the driving test?—No.I ________ it,but I had little time practising.
#86355
A
could have passed
B
must have passed
C
can't have passed
D
shouldn't have passed
 I insisted that he_______ at once.
#88345
A
leave
B
left
C
leaves
D
leaving
_______ it rain tomorrow, we would stay at home.
#87246
A
Should
B
Be
C
Were
D
Will