来自李原的问题
we'llgoforapicnicifit___thisSunday.a.won'trainb.isn'trainingc.doesn'traind.don'trai
we'llgoforapicnicifit___thisSunday.a.won'trainb.isn'trainingc.doesn'traind.don'trai


we'llgoforapicnicifit___thisSunday.a.won'trainb.isn'trainingc.doesn'traind.don'trai
we'llgoforapicnicifit___thisSunday.a.won'trainb.isn'trainingc.doesn'traind.don'trai
C,这是一个典型的主将从现句子,也就是说主句用将来时,从句用现在时.句中主语是we,后跟will,if引导的从句中rain是动词,用助动词do修饰.这句话的意思就是:如果这周日不下雨我们将去野餐.