All our efforts are of no effect,为什么要加of?

All our efforts are of no effect,为什么要加of? we are all making our efforts to help you.i hope you are brave enough to face the fact. If we are to succeed,we must redouble our efforts! we must redouble our efforts! efforts!.是什么意思? Despite all our efforts,we still lost the game 0-1to South Korea英译汉 英语翻译Our accomplishments are shared with,and the result of,your efforts to make our County a world-class community. make all effort 还是efforts? Our Chinese are all excite.改错快 They are all our birthday presents Our class ____ here.A.are all B.is all C.all are D.all is We are all good friend.The girls are also our I will redouble our efforts是什么意思? we depend on our own efforts 英语翻译This is a request that you should assist us receive $14.5M left in our bank by a late client since all efforts to find he family has been unsuccessful.There are claim documents to enable you file in and claim this funds legitimately.Let m our,all,clothes,good,at,prices,are连词造句 There are all kinds of__(stormy) in our life All of them are our friends 的同义句 our strict are teachers all连词成句