only with the hard word和by working hard_____can you expect to get a pay rise?为什么不可以用by working hard

Question

only with the hard word和by working hard
_____can you expect to get a pay rise?为什么不可以用by working hard

Answer 1

很简单啊
only with the hard word can you expect to get a pay rise（有了only开头,要倒装用can you)
若用by working hard 的话,可改写成You can expect to get a pay rise by working hard .
意思是一样的.不过语气不同,前者强调了