Only in this way can we be able to...

Only in this way ___ we be able to afford a holiday. only in this way can we not do 还是 only in this way can't we Only in this way can we be a better pilot of our life. only in this way can we adapt ourselves to the society quick Only in this way can we have enogh energy to study better. Only in this way can we learn it well. Only in this way we can make the deal. we should be able to fit you in this friday. only in this way ____ to do the job well .Ahe is able Bis he Only in this way can we live happily这句话正确吗?为什么是can we? only in this way can we learn english well 还是we can only in this way can you succeed