WJH卡琪屋
It was really helpful to us to study English.English study was really helpful to us.It helped us a lot to study English.English study really helped us a lot.这些都是可以的, study 本身可以做名词, 你如果用动名词就非常强调学习过程而不是学习本身,显然这里study更加恰当.
cat20121028
对。。。。有很大帮助beveryhelpfultosb他是个盲人,触觉地图对他出行有很大帮助。Heisablindman.Thebrailmapisveryhelpfultohimwhenhetravels