来自方亭的问题
Itishightimethatwe____measurestobringwaterpollutionundercontrolawouldtakeb.shouldtake
Itishightimethatwe____measurestobringwaterpollutionundercontrol
awouldtake
b.shouldtake


Itishightimethatwe____measurestobringwaterpollutionundercontrolawouldtakeb.shouldtake
Itishightimethatwe____measurestobringwaterpollutionundercontrol
awouldtake
b.shouldtake
B
Itishightimethat是.的时间