It’s high time we _______ effective _______to improve your working conditions.
#87269
A
take; means
B
made; measures
C
took; measures
D
do; actions
推荐题目
Why didn't you tell me there was no meeting today? I______ all the way here through the heavy snow. 
#89455
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven
If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted